Background exploitation KEV catalog Ransomware No authentication
CVE-2022-26501
Veeam Backup & Replication Remote Code Execution Vulnerability
Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2).
CheckOps priority index
6.4/10 Patch within 7 days
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
EPSS · today 4.1% higher than 90.8% of CVEs
CVSS 3.1 9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:
Exploited for 1,421 days 13 Dec 2022
CISA due date 03 Jan 2023 for US federal agencies
Exploitation probability EPSS · FIRST
EPSS probability (%)Percentile among all CVEs
Exploitation signals 4 / 5
- KEV catalog (CISA)13 Dec 2022
- Exploited in EUVD (ENISA)13 Dec 2022
- Used by ransomwareyes
- EPSS above 10 %4.1%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
Backup & Replication
Weaknesses (CWE) Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
References
Other exploited vulnerabilities from the same vendor
- CVE-2024-40711Veeam Backup and Replication Deserialization Vulnerability9.6 · Background exploitation
- CVE-2023-27532Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability8.4 · Background exploitation
- CVE-2022-26500Veeam Backup & Replication Remote Code Execution Vulnerability5.5 · Background exploitation