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CVE-2011-2054

HIGHCVSS 7.5/10EPSS 0.86%

Last modified

CVE-2011-2054 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAsa 5500 Firmware8.4\(1\)
CiscoAsa 5510 Firmware8.4\(1\)
CiscoAsa 5512-X Firmware8.4\(1\)
CiscoAsa 5515-X Firmware8.4\(1\)
CiscoAsa 5520 Firmware8.4\(1\)
CiscoAsa 5525-X Firmware8.4\(1\)
CiscoAsa 5540 Firmware8.4\(1\)
CiscoAsa 5545-X Firmware8.4\(1\)
CiscoAsa 5550 Firmware8.4\(1\)
CiscoAsa 5555-X Firmware8.4\(1\)
CiscoAsa 5580 Firmware8.4\(1\)
CiscoAsa 5585-X Firmware8.4\(1\)

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2054?
A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.
How severe is CVE-2011-2054?
CVE-2011-2054 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2054?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2054?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST