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.

Published: 2011-05-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1647 is rated Moderate Risk (42.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.17%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-1647

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-16 0.76% 1.17% +0.41%
2 2026-06-15 0.21% 0.76% +0.55%
3 2025-03-17 — 0.21% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1647

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-1647

Affected software / configurations for CVE-2011-1647

Vendor Product Version Raw CPE
cisco rvs4000 1 cpe:2.3:h:cisco:rvs4000:1:*:*:*:*:*:*:*
cisco rvs4000 2 cpe:2.3:h:cisco:rvs4000:2:*:*:*:*:*:*:*
cisco rvs4000_software 1.3.0.5 cpe:2.3:a:cisco:rvs4000_software:1.3.0.5:*:*:*:*:*:*:*
cisco rvs4000_software 1.3.1.0 cpe:2.3:a:cisco:rvs4000_software:1.3.1.0:*:*:*:*:*:*:*
cisco rvs4000_software 1.3.2.0 cpe:2.3:a:cisco:rvs4000_software:1.3.2.0:*:*:*:*:*:*:*
cisco rvs4000_software 2.0.0.3 cpe:2.3:a:cisco:rvs4000_software:2.0.0.3:*:*:*:*:*:*:*
cisco wrvs4400n 1.0 cpe:2.3:h:cisco:wrvs4400n:1.0:*:*:*:*:*:*:*
cisco wrvs4400n 1.1 cpe:2.3:h:cisco:wrvs4400n:1.1:*:*:*:*:*:*:*
cisco wrvs4400n 2 cpe:2.3:h:cisco:wrvs4400n:2:*:*:*:*:*:*:*
cisco wrvs4400n_software 1.3.0.5 cpe:2.3:a:cisco:wrvs4400n_software:1.3.0.5:*:*:*:*:*:*:*
cisco wrvs4400n_software 1.3.1.0 cpe:2.3:a:cisco:wrvs4400n_software:1.3.1.0:*:*:*:*:*:*:*
cisco wrvs4400n_software 1.3.2.0 cpe:2.3:a:cisco:wrvs4400n_software:1.3.2.0:*:*:*:*:*:*:*
cisco wrvs4400n_software 2.0.0.3 cpe:2.3:a:cisco:wrvs4400n_software:2.0.0.3:*:*:*:*:*:*:*

References for CVE-2011-1647

cvelogic Threat Intelligence