CVE-2022-26500
Path Traversal in Veeam Backup \& Replication 10.0.0.4442 – 10.0.1.4854
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2022-26500 is a high-severity Path Traversal (CWE-22) vulnerability in Veeam Veeam Backup \& Replication. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked in the top 7% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2022-26500 is a path traversal vulnerability (CWE-22) affecting Veeam Backup & Replication versions 9.5U3, 9.5U4, 10.x, and 11.x. The flaw stems from improper limitation of path names, which exposes internal API functions and permits remote authenticated users to upload and execute arbitrary code on affected systems. It carries a CVSS 3.1 base score of 8.8.
Remote authenticated attackers can exploit the issue over the network without user interaction to achieve full control over the backup server, including arbitrary code execution with high impact to confidentiality, integrity, and availability. The attack requires valid credentials but no special privileges beyond authentication.
Veeam advisory KB4288 and the vendor site describe available patches and configuration guidance for the listed product versions. CISA has added the CVE to its Known Exploited Vulnerabilities catalog, indicating confirmed in-the-wild exploitation.
The EPSS score reached a peak of 0.2386 with a current value of 0.1903, reflecting a moderate rise in observed exploitation interest after disclosure.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-31058
Vulnerability Data
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.
- CWE(s)
- KEV Date Added
- 13 December 2022
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V5.3.2
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Patching/maintenance can remediate known path-traversal flaws in deployed software (partial prevention of exploitability) but does nothing to stop the coding defect from being introduced in the first place.
PR.AA-05 defines and reviews access policies but does not address code-level pathname neutralization, so neither direction prevents CWE-22.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.