CVE-2011-0546

Exp

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.

Published: 2011-05-31 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0546 is rated High Exploit Risk (67.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.60%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.13% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-0546

EDB-ID Source Kind Published Link
17517 exploit_db edb 2011-07-09 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-0546

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.48% 1.60% +1.13%
2 2026-02-07 0.62% 0.48% -0.14%
3 2025-09-17 — 0.62% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0546

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:A/AC:H/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 2.5 10.0 [email protected]

Weakness enumeration for CVE-2011-0546

Affected software / configurations for CVE-2011-0546

Vendor Product Version Raw CPE
symantec backup_exec 11.0 cpe:2.3:a:symantec:backup_exec:11.0:*:*:*:*:*:*:*
symantec backup_exec 12.0 cpe:2.3:a:symantec:backup_exec:12.0:*:*:*:*:*:*:*
symantec backup_exec 12.5 cpe:2.3:a:symantec:backup_exec:12.5:*:*:*:*:*:*:*
symantec backup_exec 13.0 cpe:2.3:a:symantec:backup_exec:13.0:*:*:*:*:*:*:*
symantec backup_exec 13.0 cpe:2.3:a:symantec:backup_exec:13.0:r2:*:*:*:*:*:*

References for CVE-2011-0546

cvelogic Threat Intelligence