CVE-2011-0546
Symantec Backup Exec 11.0, 12.0, 12.5, 13.0, and 13.0 R2 does not validate identity information...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-0546- CVSS 2.0
- 6.5 Medium
AV:A/AC:H/Au:S/C:C/I:C/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-0546- Updated
- 2026-11-02
EUVDEUVD-2011-0564 No score
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.
- Record
EUVD-2011-0564- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m2cg-qqj5-jw62 No score
Symantec Backup Exec 11.0, 12.0, 12.5, 13.0, and 13.0 R2 does not validate identity information...
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.
- Record
GHSA-m2cg-qqj5-jw62- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Symantec Backup Exec 12.5 - Man In The Middle | 2011-07-09 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0546 is a medium vulnerability (CVSS 6.5) in Symantec Backup Exec, published May 31, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. No source names a fixed version.
References
marc.info?l=bugtraq&m=131489365508507&w=2
securityreason.com/securityalert/8300
secunia.com/advisories/44698
securityfocus.com/bid/47824
symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2011&suid=20110526_00
nvd.nist.gov/vuln/detail/CVE-2011-0546
github.com/advisories/GHSA-m2cg-qqj5-jw62