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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
155
victims posted (30 days)
409
groups tracked

Vendors most exploited by ransomware

Most common weaknesses (CWE)

By year added to KEV

Most active groups (30 days)

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

GroupVictimsLast activity
N0n 46 7h
qilin 20 11h
Wallstreet 14 13h
lockbit5 8 16h
incransom 7 9h
iah6477 7 15h
akira 6 19h
interlock 6 3d
play 5 3d
AuditTeam 3 2d
Dark Project 3 3d
Emperador 3 23h
All groups →

Most affected countries (30 days)

  • United States40
  • Sweden10
  • Brazil9
  • South Korea9
  • United Kingdom7
  • Singapore4
  • Spain4
  • Japan4
  • India4
  • Germany3

Most affected sectors (30 days)

  • Transportation29
  • Professional Services23
  • Manufacturing16
  • Healthcare15
  • Other12
  • Technology12
  • Retail & E-Commerce9
  • Financial Services5
  • Agriculture and Food Production5
  • Energy & Utilities4

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

9 result(s)

CVE-2022-27593 Critical · 9.1 KEV Urgent · 77 Public exploit Ransomware CWE-610 Sep 8, 2022
QNAP Photo Station Externally Controlled Reference Vulnerability
An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, This could allow an attacker to modify system files. We have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and later
CVE-2019-7192 Critical · 9.8 KEV Urgent · 93 Public exploit Ransomware CWE-863 Dec 5, 2019
QNAP Photo Station Improper Access Control Vulnerability
This improper access control vulnerability allows remote attackers to gain unauthorized access to the system. To fix these vulnerabilities, QNAP recommend updating Photo Station to their latest versions.
CVE-2019-7193 Critical · 9.8 KEV Urgent · 72 Ransomware CWE-20 Dec 5, 2019
QNAP QTS Improper Input Validation Vulnerability
This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.
CVE-2019-7194 Critical · 9.8 KEV Urgent · 89 Public exploit Ransomware CWE-22 Dec 5, 2019
QNAP Photo Station Path Traversal Vulnerability
This external control of file name or path vulnerability allows remote attackers to access or modify system files. To fix the vulnerability, QNAP recommend updating Photo Station to their latest versions.
CVE-2019-7195 Critical · 9.8 KEV Urgent · 89 Public exploit Ransomware CWE-22 Dec 5, 2019
QNAP Photo Station Path Traversal Vulnerability
This external control of file name or path vulnerability allows remote attackers to access or modify system files. To fix the vulnerability, QNAP recommend updating Photo Station to their latest versions.
CVE-2018-19943 Medium · 5.4 KEV High · 63 Ransomware CWE-79 Oct 28, 2020
QNAP NAS File Station Cross-Site Scripting Vulnerability
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later
CVE-2018-19949 Critical · 9.8 KEV Urgent · 73 Ransomware CWE-77 Oct 28, 2020
QNAP NAS File Station Command Injection Vulnerability
If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
CVE-2018-19953 Medium · 6.1 KEV High · 63 Ransomware CWE-79 Oct 28, 2020
QNAP NAS File Station Cross-Site Scripting Vulnerability
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
CVE-2021-28799 Critical · 9.8 KEV Urgent · 77 Public exploit Ransomware CWE-285 May 13, 2021
QNAP NAS Improper Authorization Vulnerability
An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .

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.