CVEs / CVE-2022-26500
CVE-2022-26500: Veeam Backup & Replication Remote Code Execution Vulnerability
- Known exploited in the CISA KEV catalog since 13 Dec 2022
- high 8.8 CVSS 3.1 (NVD)
- EPSS 5.82% chance of exploitation in the next 30 days, higher than 93% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
The Veeam Distribution Service in the Backup & Replication application allows unauthenticated users to access internal API functions. A remote attacker can send input to the internal API which may lead to uploading and executing of malicious code.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 13 Dec 2022 |
|---|---|
| Due date for US federal agencies | 3 Jan 2023 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-22 |
References
- CVE-2022-26500 on NVD
- CVE-2022-26500 in the CISA KEV catalog
- https://www.veeam.com/kb4288 (cited by CISA)
- https://veeam.com Vendor Advisory
- https://www.veeam.com/kb4288 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26500 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.