How severe is CVE-2011-0551?

CVE-2011-0551 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-0551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0551?

CVE-2011-0551 primarily affects Symantec Endpoint Protection. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0551?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-0551 published?

CVE-2011-0551 was published on 2011-08-15 and last updated on 2026-06-16.

CVE-2011-0551

CVE-2011-0551 is a medium-severity vulnerability in Symantec Endpoint Protection with a CVSS 2.0 base score of 6.8. 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-352.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Symantec Endpoint Protection
Published: 2011-08-15
Last modified: 2026-06-16

Description

Cross-site request forgery (CSRF) vulnerability in the Web Interface in the Endpoint Protection Manager in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.6300 allows remote attackers to hijack the authentication of administrators for requests that create administrative accounts.

Frequently asked questions

What is CVE-2011-0551?: Cross-site request forgery (CSRF) vulnerability in the Web Interface in the Endpoint Protection Manager in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.6300 allows remote attackers to hijack the authentication of administrators for requests that create administrative accounts.
How severe is CVE-2011-0551?: CVE-2011-0551 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-0551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0551?: CVE-2011-0551 primarily affects Symantec Endpoint Protection. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0551 published?: CVE-2011-0551 was published on 2011-08-15 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:symantec:endpoint_protection:11.0.6000:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0.6100:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0.6200:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0.6200.754:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0.6300:*:*:*:*:*:*:*

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