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CVE-2011-2054

24
FAUCET Score

CVE-2011-2054 describes a high-severity vulnerability in Cisco ASA appliances that allows remote attackers to bypass secondary authentication when using the Cisco AnyConnect VPN client. This occurs if LDAP is configured for secondary authentication and the password field is left blank, provided the attacker possesses valid primary credentials. The vulnerability, stemming from improper input validation, carries a CVSS score of 7.5, indicating a high potential for compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.4\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:asa_5500_firmware:8.4\(1\):*:*:*:*:*:*:*
8.4\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:asa_5510_firmware:8.4\(1\):*:*:*:*:*:*:*
8.4\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:asa_5512-x_firmware:8.4\(1\):*:*:*:*:*:*:*
8.4\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:asa_5515-x_firmware:8.4\(1\):*:*:*:*:*:*:*
8.4\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:asa_5520_firmware:8.4\(1\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 52nd percentile among its peer group of 1,162 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

quickview.cloudapps.cisco.com / quickview/bug/CSCtq58884
Vendor Advisory