How severe is CVE-2011-1645?

CVE-2011-1645 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-1645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1645?

CVE-2011-1645 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-2011-1645?

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-2011-1645 published?

CVE-2011-1645 was published on 2011-05-31 and last updated on 2026-06-16.

CVE-2011-1645

CVE-2011-1645 is a critical-severity vulnerability in Cisco Rvs4000 with a CVSS 2.0 base score of 9.3. 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-16.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
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 backup configuration file, and consequently execute arbitrary code, via unspecified vectors, aka Bug ID CSCtn23871.

Frequently asked questions

What is CVE-2011-1645?: 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 backup configuration file, and consequently execute arbitrary code, via unspecified vectors, aka Bug ID CSCtn23871.
How severe is CVE-2011-1645?: CVE-2011-1645 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-1645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1645?: CVE-2011-1645 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-2011-1645?: 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-2011-1645 published?: CVE-2011-1645 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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