How severe is CVE-2011-2547?

CVE-2011-2547 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2011-2547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2547?

CVE-2011-2547 primarily affects Cisco Sa500 Software. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2547?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-2547 published?

CVE-2011-2547 was published on 2011-07-28 and last updated on 2026-06-16.

CVE-2011-2547

CVE-2011-2547 is a critical-severity vulnerability in Cisco Sa500 Software with a CVSS 2.0 base score of 9.0. 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-264.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cisco Sa500 Software
Published: 2011-07-28
Last modified: 2026-06-16

Description

The web-based management interface on Cisco SA 500 series security appliances with software before 2.1.19 allows remote authenticated users to execute arbitrary commands via crafted parameters to web forms, aka Bug ID CSCtq65681.

Frequently asked questions

What is CVE-2011-2547?: The web-based management interface on Cisco SA 500 series security appliances with software before 2.1.19 allows remote authenticated users to execute arbitrary commands via crafted parameters to web forms, aka Bug ID CSCtq65681.
How severe is CVE-2011-2547?: CVE-2011-2547 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2011-2547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2547?: CVE-2011-2547 primarily affects Cisco Sa500 Software. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-2547 published?: CVE-2011-2547 was published on 2011-07-28 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:cisco:sa500_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.0.14:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.0.15:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.0.17:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.0.39:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.1.21:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.1.42:*:*:*:*:*:*:*
cpe:2.3:a:cisco:sa500_software:1.1.65:*:*:*:*:*:*:*
cpe:2.3:h:cisco:sa520:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:sa520w:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:sa540:*:*:*:*:*:*:*:*

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