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Ransomware Intelligence

CISA flags a vulnerability as "used by ransomware" only when a campaign is confirmed. These are flaws extortion groups have already exploited: fixing them first removes the most concrete risk.

361
CVEs used by ransomware · 21% of the KEV catalog
3
added in the last 90 days
173
critical
121
victims posted (30 days)
408
groups tracked

Most active groups (30 days)

Victims posted on leak sites, according to ransomware.live. Victim names are not displayed.

GroupVictimsLast activity
N0n 41 13h
Wallstreet 13 1d
qilin 9 1d
interlock 6 3d
play 5 2d
akira 3 1d
AuditTeam 3 2d
Dark Project 3 3d
lockbit5 3 1d
Emperador 3 8h
everest 3 2d
iah6477 3 6h

Most affected countries (30 days)

  • United States25
  • Sweden10
  • Brazil8
  • South Korea8
  • United Kingdom5
  • Singapore4
  • India4
  • Spain3
  • Germany3
  • Japan3

Most affected sectors (30 days)

  • Transportation28
  • Professional Services19
  • Healthcare13
  • Manufacturing11
  • Other10
  • Retail & E-Commerce8
  • Technology7
  • Financial Services3
  • Energy & Utilities3
  • Hospitality2

Groups and the CVEs they exploit

clop 5akira 3alphv 3conti 3hive 3play 3medusa 2vicesociety 2atomsilo 1blackbyte 1blackshadow 1BrainCipher 1esxiargs 1frag 1handala 1icefire 1incransom 1karma 1lockbit 1maze 1nightsky 1nightspire 1nokoyawa 1revil 1reynolds 1underground 1

CVEs used in ransomware campaigns

Severity
Clear

361 result(s)

CVE-2026-23760 Critical · 9.8 KEV Urgent · 83 Public exploit Ransomware CWE-288 Jan 22, 2026
SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. An unauthenticated attacker can supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance. NOTE: SmarterMail system administrator privileges grant the ability to execute operating system commands via built-in management functionality, effectively providing administrative (SYSTEM or root) access on the underlying host.
CVE-2025-52691 Critical · 10.0 KEV Urgent · 93 Public exploit Ransomware CWE-434 Dec 29, 2025
SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
CVE-2025-14733 Critical · 9.8 KEV Urgent · 79 Public exploit Ransomware CWE-787 Dec 18, 2025
WatchGuard Firebox Out of Bounds Write Vulnerability
An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer. If the Firebox was previously configured with the mobile user VPN with IKEv2 or a branch office VPN using IKEv2 to a dynamic gateway peer, and both of those configurations have since been deleted, that Firebox may still be vulnerable if a branch office VPN to a static gateway peer is still configured.
CVE-2025-55182 Critical · 10.0 KEV Urgent · 100 Public exploit Ransomware CWE-502 Dec 3, 2025
Meta React Server Components Remote Code Execution Vulnerability
A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.
CVE-2025-61884 High · 7.5 KEV Urgent · 79 Public exploit Ransomware CWE-22 Oct 12, 2025
Oracle E-Business Suite Server-Side Request Forgery (SSRF) Vulnerability
Vulnerability in the Oracle Configurator product of Oracle E-Business Suite (component: Runtime UI). Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Configurator. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Configurator accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
CVE-2025-61882 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-287 Oct 5, 2025
Oracle E-Business Suite Unspecified Vulnerability
Vulnerability in the Oracle Concurrent Processing product of Oracle E-Business Suite (component: BI Publisher Integration). Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Concurrent Processing. Successful attacks of this vulnerability can result in takeover of Oracle Concurrent Processing. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
CVE-2021-43226 High · 7.8 KEV Urgent · 70 Public exploit Ransomware Dec 15, 2021
Microsoft Windows Privilege Escalation Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2025-10035 Critical · 9.8 KEV Urgent · 83 Public exploit Ransomware CWE-77 Sep 18, 2025
Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability
A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged license response signature to deserialize an arbitrary actor-controlled object, possibly leading to command injection.
CVE-2025-8088 High · 8.8 KEV Urgent · 72 Public exploit Ransomware CWE-35 Aug 8, 2025
RARLAB WinRAR Path Traversal Vulnerability
A path traversal vulnerability affecting the Windows version of WinRAR allows the attackers to execute arbitrary code by crafting malicious archive files. This vulnerability was exploited in the wild and was discovered by Anton Cherepanov, Peter Košinár, and Peter Strýček from ESET.
CVE-2025-49706 Medium · 6.5 KEV Urgent · 83 Public exploit Ransomware CWE-287 Jul 8, 2025
Microsoft SharePoint Improper Authentication Vulnerability
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-49704 High · 8.8 KEV Urgent · 78 Public exploit Ransomware CWE-94 Jul 8, 2025
Microsoft SharePoint Code Injection Vulnerability
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2025-53770 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-502 Jul 19, 2025
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.
CVE-2025-5777 High · 7.5 KEV Urgent · 87 Public exploit Ransomware CWE-908 Jun 17, 2025
Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability
Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
CVE-2019-6693 Medium · 6.5 KEV High · 62 Ransomware CWE-798 Nov 21, 2019
Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability
Use of a hard-coded cryptographic key to cipher sensitive data in FortiOS configuration backup file may allow an attacker with access to the backup file to decipher the sensitive data, via knowledge of the hard-coded key. The aforementioned sensitive data includes users' passwords (except the administrator's password), private keys' passphrases and High Availability password (when set).
CVE-2025-42999 Critical · 9.1 KEV High · 69 Ransomware CWE-502 May 12, 2025
SAP NetWeaver Deserialization Vulnerability
SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.
CVE-2025-3248 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-94 Apr 7, 2025
Langflow Missing Authentication Vulnerability
Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.
CVE-2025-31324 Critical · 9.8 KEV Urgent · 83 Public exploit Ransomware CWE-434 Apr 24, 2025
SAP NetWeaver Unrestricted File Upload Vulnerability
SAP NetWeaver Visual Composer Metadata Uploader is not protected with a proper authorization, allowing unauthenticated agent to upload potentially malicious executable binaries that could severely harm the host system. This could significantly affect the confidentiality, integrity, and availability of the targeted system.
CVE-2025-29824 High · 7.8 KEV Urgent · 71 Public exploit Ransomware CWE-416 Apr 8, 2025
Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2025-31161 Critical · 9.8 KEV Urgent · 91 Public exploit Ransomware CWE-305 Apr 3, 2025
CrushFTP Authentication Bypass Vulnerability
CrushFTP 10 before 10.8.4 and 11 before 11.3.1 allows authentication bypass and takeover of the crushadmin account (unless a DMZ proxy instance is used), as exploited in the wild in March and April 2025, aka "Unauthenticated HTTP(S) port access." A race condition exists in the AWS4-HMAC (compatible with S3) authorization method of the HTTP component of the FTP server. The server first verifies the existence of the user by performing a call to login_user_pass() with no password requirement. This will authenticate the session through the HMAC verification process and up until the server checks for user verification once more. The vulnerability can be further stabilized, eliminating the need for successfully triggering a race condition, by sending a mangled AWS4-HMAC header. By providing only the username and a following slash (/), the server will successfully find a username, which triggers the successful anypass authentication process, but the server will fail to find the expected SignedHeaders entry, resulting in an index-out-of-bounds error that stops the code from reaching the session cleanup. Together, these issues make it trivial to authenticate as any known or guessable user (e.g., crushadmin), and can lead to a full compromise of the system by obtaining an administrative account.
CVE-2025-22457 Critical · 9.8 KEV Urgent · 88 Public exploit Ransomware CWE-787 Apr 3, 2025
Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.
CVE-2025-24472 High · 8.1 KEV Urgent · 71 Public exploit Ransomware CWE-288 Feb 11, 2025
Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream and downstream devices serial numbers to gain super-admin privileges on the downstream device, if the Security Fabric is enabled, via crafted CSF proxy requests.
CVE-2025-26633 High · 7.0 KEV Urgent · 80 Public exploit Ransomware CWE-707 Mar 11, 2025
Microsoft Windows Management Console (MMC) Improper Neutralization Vulnerability
Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.
CVE-2025-22225 High · 8.2 KEV High · 60 Ransomware CWE-787 Mar 4, 2025
VMware ESXi Arbitrary Write Vulnerability
VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.
CVE-2018-8639 High · 7.8 KEV High · 66 Ransomware CWE-404 Dec 11, 2018
Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8641.
CVE-2024-53704 Critical · 9.8 KEV Urgent · 83 Public exploit Ransomware CWE-287 Jan 9, 2025
SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

Sources: CISA KEV (knownRansomwareCampaignUse field) and ransomware.live (groups, TTPs and victim counts). The absence of a KEV flag does not mean a flaw is not used by ransomware.