Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and…
Priority CRITICAL 97Exploited in the wildCWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2022-12-13CISA due date 2023-01-03Known ransomware use
EPSS 0.05828 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:* | 10.0.0.4442 to before 10.0.1.4854; 11.0.0.825 to before 11.0.1.1261 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:9.5.0.1536:*:*:*:*:*:*:* | 9.5.0.1536 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:9.5.4.2615:*:*:*:*:*:*:* | 9.5.4.2615 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:-:*:*:*:*:*:* | 10.0.1.4854 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:p20201202:*:*:*:*:*:* | 10.0.1.4854 p20201202 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:p20210609:*:*:*:*:*:* | 10.0.1.4854 p20210609 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:-:*:*:*:*:*:* | 11.0.1.1261 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211123:*:*:*:*:*:* | 11.0.1.1261 p20211123 | Vulnerable | Veeam |
| cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211211:*:*:*:*:*:* | 11.0.1.1261 p20211211 | Vulnerable | Veeam |
- cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:* Versions 10.0.0.4442 to before 10.0.1.4854; 11.0.0.825 to before 11.0.1.1261 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:9.5.0.1536:*:*:*:*:*:*:* Versions 9.5.0.1536 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:9.5.4.2615:*:*:*:*:*:*:* Versions 9.5.4.2615 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:-:*:*:*:*:*:* Versions 10.0.1.4854 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:p20201202:*:*:*:*:*:* Versions 10.0.1.4854 p20201202 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:10.0.1.4854:p20210609:*:*:*:*:*:* Versions 10.0.1.4854 p20210609 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:-:*:*:*:*:*:* Versions 11.0.1.1261 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211123:*:*:*:*:*:* Versions 11.0.1.1261 p20211123 Vulnerable ·Veeam
- cpe:2.3:a:veeam:veeam_backup_\&_replication:11.0.1.1261:p20211211:*:*:*:*:*:* Versions 11.0.1.1261 p20211211 Vulnerable ·Veeam
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-12-13 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2022-26500
- 2026-10-03 Alias added: GHSA-2vw2-587w-g9v6
References
More Veeam Backup & Replication vulnerabilities
- TI-2024-27107 Deserialization of untrusted data in Veeam Backup and Recovery KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09844 Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2). KEVCVSS 3.1CRITICAL 9.8
- TI-2023-12256 Missing authentication in Veeam Backup & Replication KEVCVSS 3.1HIGH 7.5
- TI-2024-19623 Veeam Backup Enterprise Manager allows unauthenticated users to log in as any user to enterprise manager web interface. CVSS 3.0CRITICAL 9.8
- TI-2025-16913 A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user CVSS 3.1HIGH 8.8
- TI-2025-16912 A vulnerability allowing remote code execution (RCE) for domain users. CVSS 3.1HIGH 8.8
Sources
- CVE-2022-26500 · CVE Program
- CVE-2022-26500 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-2vw2-587w-g9v6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences