CVE-2012-4643 describes a denial-of-service vulnerability in the DHCP server of Cisco ASA 5500 series devices and ASASM modules across multiple software versions. Remote attackers can trigger a device reload by sending a series of crafted IPv4 DHCP packets, exploiting improper memory allocation. This vulnerability has a CVSS score of 7.1, indicating a high severity with a network-based attack vector, medium attack complexity, and a complete impact on availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:* | ||
7.0\(0\)CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(0\):*:*:*:*:*:*:* | ||
7.0\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(1\):*:*:*:*:*:*:* | ||
7.0\(2\)CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(2\):*:*:*:*:*:*:* | ||
7.0\(4\)CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(4\):*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.