How severe is CVE-2011-1647?

CVE-2011-1647 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1647?

CVE-2011-1647 primarily affects Cisco Rvs4000. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1647?

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

When was CVE-2011-1647 published?

CVE-2011-1647 was published on 2011-05-31 and last updated on 2026-06-16.

CVE-2011-1647

CVE-2011-1647 is a medium-severity vulnerability in Cisco Rvs4000 with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Rvs4000
Published: 2011-05-31
Last modified: 2026-06-16

Description

The web management interface on the Cisco RVS4000 Gigabit Security Router with software 1.x before 1.3.3.4 and 2.x before 2.0.2.7, and the WRVS4400N Gigabit Security Router with software before 2.0.2.1, allows remote attackers to read the private key for the admin SSL certificate via unspecified vectors, aka Bug ID CSCtn23871.

Frequently asked questions

What is CVE-2011-1647?: The web management interface on the Cisco RVS4000 Gigabit Security Router with software 1.x before 1.3.3.4 and 2.x before 2.0.2.7, and the WRVS4400N Gigabit Security Router with software before 2.0.2.1, allows remote attackers to read the private key for the admin SSL certificate via unspecified vectors, aka Bug ID CSCtn23871.
How severe is CVE-2011-1647?: CVE-2011-1647 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1647?: CVE-2011-1647 primarily affects Cisco Rvs4000. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1647 published?: CVE-2011-1647 was published on 2011-05-31 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:h:cisco:rvs4000:1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rvs4000:2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:1.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:1.3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:1.3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:2.0.0.3:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wrvs4400n:1.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wrvs4400n:1.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wrvs4400n:2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:1.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:1.3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:1.3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:2.0.0.3:*:*:*:*:*:*:*

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