Symantec Backup Exec 11.0, 12.0, 12.5, 13.0, and 13.0 R2 does not validate identity…
Priority LOW 32CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Symantec Backup Exec 11.0, 12.0, 12.5, 13.0, and 13.0 R2 does not validate identity information sent between the media server and the remote agent, which allows man-in-the-middle attackers to execute NDMP commands via unspecified vectors.
Why it matters now
EPSS 0.01605 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:symantec:backup_exec:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:backup_exec:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:backup_exec:12.5:*:*:*:*:*:*:* | 12.5 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:backup_exec:13.0:*:*:*:*:*:*:* | 13.0 | Vulnerable | Symantec |
| cpe:2.3:a:symantec:backup_exec:13.0:r2:*:*:*:*:*:* | 13.0 r2 | Vulnerable | Symantec |
- cpe:2.3:a:symantec:backup_exec:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Symantec
- cpe:2.3:a:symantec:backup_exec:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Symantec
- cpe:2.3:a:symantec:backup_exec:12.5:*:*:*:*:*:*:* Versions 12.5 Vulnerable ·Symantec
- cpe:2.3:a:symantec:backup_exec:13.0:*:*:*:*:*:*:* Versions 13.0 Vulnerable ·Symantec
- cpe:2.3:a:symantec:backup_exec:13.0:r2:*:*:*:*:*:* Versions 13.0 r2 Vulnerable ·Symantec
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-0546
- 2026-10-03 Alias added: GHSA-m2cg-qqj5-jw62
References
More Symantec Backup Exec vulnerabilities
- TI-2013-04020 Heap-based buffer overflow in the utility program in the Linux agent in Symantec Backup… CVSS 2.0HIGH 7.9
- TI-2013-04098 Multiple cross-site scripting (XSS) vulnerabilities in Symantec Backup Exec 2010 R3… CVSS 2.0MEDIUM 4.3
- TI-2013-04099 Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 uses weak permissions… CVSS 2.0MEDIUM 4.3
- TI-2013-04100 The NDMP protocol implementation in Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and… CVSS 2.0LOW 2.7
Sources
- CVE-2011-0546 · CVE Program
- CVE-2011-0546 · NVD
- FIRST EPSS
- GHSA-m2cg-qqj5-jw62 · 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