High severity · published Feb 19, 2020
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…
7.5
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A5
Asa 5500 Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5510 Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5512-x Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5515-x Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5520 Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5525-x Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5540 Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5545-x Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5550 Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5555-x Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5580 Firmware · Cisco
8.4(1) · source: NVD
A5
Asa 5585-x Firmware · Cisco
8.4(1) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-2054
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-2054
Vendor Advisory
https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884
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