6.5

CVE-2011-0546: symantec backup_exec Improper Input Validation

CVSS: 6.5v2.0MediumModified
Published 31-05-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-0546 is a medium (CVSS 6.5) Improper Input Validation vulnerability in symantec backup_exec. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v2.0 (NVD)
EPSS score
1.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 31-05-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.60%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.60% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaseremotewindowsVerified

    Symantec Backup Exec 12.5 - Man In The Middle

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Symantec1 product

1 vendor · 1 product

References

5 links