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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
Vendors most exploited by ransomware
Most common weaknesses (CWE)
- CWE-22 · Path Traversal36
- CWE-787 · Out-of-bounds Write27
- CWE-502 · Deserialization of Untrusted Data25
- CWE-94 · Code Injection15
- CWE-287 · Improper Authentication14
- CWE-306 · Missing Authentication for Critical Function14
- CWE-78 · OS Command Injection14
- CWE-59 · Link Following13
- CWE-416 · Use After Free11
- CWE-918 · Server-Side Request Forgery (SSRF)10
Most active groups (30 days)
Victims posted on leak sites, according to ransomware.live. Victim names are not displayed.
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 1CVEs used in ransomware campaigns
14 result(s)
CVE-2026-35273
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Jun 11, 2026
Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Updates Environment Management). Supported versions that are affected are 8.61 and 8.62. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise PeopleTools. 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-2026-41940
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Apr 29, 2026
WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability
cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
CVE-2026-24423
Critical · 9.8
KEV Urgent · 83 Public exploit Ransomware CWE-306 Jan 23, 2026
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.
CVE-2024-0012
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Nov 18, 2024
Palo Alto Networks PAN-OS Management Interface Authentication Bypass Vulnerability
An authentication bypass in Palo Alto Networks PAN-OS software enables an unauthenticated attacker with network access to the management web interface to gain PAN-OS administrator privileges to perform administrative actions, tamper with the configuration, or exploit other authenticated privilege escalation vulnerabilities like CVE-2024-9474 https://security.paloaltonetworks.com/CVE-2024-9474 .
The risk of this issue is greatly reduced if you secure access to the management web interface by restricting access to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .
This issue is applicable only to PAN-OS 10.2, PAN-OS 11.0, PAN-OS 11.1, and PAN-OS 11.2 software.
Cloud NGFW and Prisma Access are not impacted by this vulnerability.
CVE-2024-51567
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Oct 29, 2024
CyberPanel Incorrect Default Permissions Vulnerability
upgrademysqlstatus in databases/views.py in CyberPanel (aka Cyber Panel) before 5b08cd6 allows remote attackers to bypass authentication and execute arbitrary commands via /dataBases/upgrademysqlstatus by bypassing secMiddleware (which is only for a POST request) and using shell metacharacters in the statusfile property, as exploited in the wild in October 2024 by PSAUX. Versions through 2.3.6 and (unpatched) 2.3.7 are affected.
CVE-2023-46747
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Oct 26, 2023
F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability
Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
CVE-2023-42793
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Sep 19, 2023
JetBrains TeamCity Authentication Bypass Vulnerability
In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
CVE-2023-27532
High · 7.5
KEV Urgent · 75 Public exploit Ransomware CWE-306 Mar 10, 2023
Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability
Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained. This may lead to gaining access to the backup infrastructure hosts.
CVE-2022-24990
High · 7.5
KEV Urgent · 89 Public exploit Ransomware CWE-306 Feb 7, 2023
TerraMaster OS Remote Command Execution Vulnerability
TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending "User-Agent: TNAS" to module/api.php?mobile/webNasIPS and then reading the PWD field in the response.
CVE-2022-21587
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 Oct 18, 2022
Oracle E-Business Suite Unspecified Vulnerability
Vulnerability in the Oracle Web Applications Desktop Integrator product of Oracle E-Business Suite (component: Upload). Supported versions that are affected are 12.2.3-12.2.11. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Web Applications Desktop Integrator. Successful attacks of this vulnerability can result in takeover of Oracle Web Applications Desktop Integrator. 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-2022-26501
Critical · 9.8
KEV Urgent · 72 Ransomware CWE-306 Mar 17, 2022
Veeam Backup & Replication Remote Code Execution Vulnerability
Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2).
CVE-2022-1388
Critical · 9.8
KEV Urgent · 93 Public exploit Ransomware CWE-306 May 5, 2022
F5 BIG-IP Missing Authentication Vulnerability
On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all 12.1.x and 11.6.x versions, undisclosed requests may bypass iControl REST authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
CVE-2017-10271
High · 7.5
KEV Urgent · 99 Public exploit Ransomware CWE-306 Oct 19, 2017
Oracle Corporation WebLogic Server Remote Code Execution Vulnerability
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Security). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.1.0 and 12.2.1.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVE-2019-5591
Medium · 6.5
KEV High · 67 Public exploit Ransomware CWE-306 Aug 14, 2020
Fortinet FortiOS Default Configuration Vulnerability
A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.
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.