SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-26500

Veeam Backup & Replication Remote Code Execution Vulnerability

KEVHIGH 8.8EPSS 5.83%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 January 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions that allows attackers to upload and execute arbitrary code.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
5.83% probability · 93th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 13 December 2022 · due 3 January 2023 · used in ransomware campaigns
Weakness
CWE-22
Affected
veeam/veeam backup \& replication
Source
cve@mitre.org
EPSS trend
0%5%10%30 October 2026: 5.83%30 October 202630 October 2026

EPSS 5.8% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://www.veeam.com/kb4288; https://nvd.nist.gov/vuln/detail/CVE-2022-26500

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.