CVE Intelligence
Home / Threat intelligence

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
320
victims posted (30 days)
412
groups tracked

Most active groups (30 days)

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

GroupVictimsLast activity
N0n 88 17h
qilin 36 1d
thegentlemen 35 3d
Wallstreet 15 4d
lockbit5 10 1d
incransom 9 12h
play 9 4d
iah6477 8 2d
Helix 7 2d
everest 7 4d
THE SEVEN DEADLY SINS 7 4d
Booba Project 6 17h

Most affected countries (30 days)

  • United States119
  • Brazil16
  • South Korea12
  • United Kingdom10
  • Sweden10
  • Germany9
  • Spain6
  • Japan6
  • India6
  • Singapore5

Most affected sectors (30 days)

  • Transportation38
  • Manufacturing36
  • Professional Services34
  • Healthcare34
  • Technology29
  • Other20
  • Retail & E-Commerce15
  • Financial Services14
  • Education11
  • Agriculture and Food Production9

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

132 result(s)

CVE-2018-8453 High · 7.8 KEV Urgent · 86 Public exploit Ransomware Oct 10, 2018
Microsoft Win32k Privilege Escalation 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.
CVE-2021-21975 High · 7.5 KEV Urgent · 89 Public exploit Ransomware CWE-918 Mar 31, 2021
VMware Server Side Request Forgery in vRealize Operations Manager API
Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.
CVE-2019-1579 High · 8.1 KEV Urgent · 72 Public exploit Ransomware CWE-134 Jul 19, 2019
Palo Alto Networks PAN-OS Remote Code Execution Vulnerability
Remote Code Execution in PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11-h1 and earlier, and PAN-OS 8.1.2 and earlier with GlobalProtect Portal or GlobalProtect Gateway Interface enabled may allow an unauthenticated remote attacker to execute arbitrary code.
CVE-2018-13383 Medium · 6.5 KEV High · 63 Ransomware CWE-787 May 29, 2019
Fortinet FortiOS and FortiProxy Out-of-bounds Write
A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.
CVE-2018-13382 High · 7.5 KEV Urgent · 83 Public exploit Ransomware CWE-863 Jun 4, 2019
Fortinet FortiOS and FortiProxy Improper Authorization
An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to modify the password of an SSL VPN web portal user via specially crafted HTTP requests
CVE-2019-2725 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-74 Apr 26, 2019
Oracle WebLogic Server, Injection
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
CVE-2019-1458 High · 7.8 KEV Urgent · 86 Public exploit Ransomware Dec 10, 2019
Microsoft Win32k Privilege Escalation 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'.

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.