CVE-2011-0546

CVE-2011-0546 is a medium-severity vulnerability in Symantec Backup Exec with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

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.

Frequently asked questions

What is CVE-2011-0546?
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.
How severe is CVE-2011-0546?
CVE-2011-0546 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2011-0546 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0546?
CVE-2011-0546 primarily affects Symantec Backup Exec. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0546?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0546 published?
CVE-2011-0546 was published on 2011-05-31 and last updated on 2026-06-16.

References

Affected products (5)

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