Vulnerability Details : CVE-2012-3923
The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCte41827.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2012-3923
Probability of exploitation activity in the next 30 days: 0.11%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 43 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-3923
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:N/A:P |
6.8
|
2.9
|
NIST |
References for CVE-2012-3923
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http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html
Cross-Platform Release Notes for Cisco IOS Release 15.2M&T - Release 15.2(1)T Caveats [Cisco IOS 15.2M&T] - CiscoVendor Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/78670
Cisco IOS SSL VPN DTLS denial of service CVE-2012-3923 Vulnerability Report
Products affected by CVE-2012-3923
- cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*