8.6
High
CVE-2019-12678 A vulnerability in the Session Initiation Protocol (SIP) inspection module of Cisco Adaptive Security Appliance (ASA)…
Description
A vulnerability in the Session Initiation Protocol (SIP) inspection module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper parsing of SIP messages. An attacker could exploit this vulnerability by sending a malicious SIP packet through an affected device. A successful exploit could allow the attacker to trigger an integer underflow, causing the software to try to read unmapped memory and resulting in a crash.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Adaptive Security Appliance (ASA) Software | Versions not published |
Other CVEs of Cisco Adaptive Security Appliance (ASA) Software
The 161 CVEs of Cisco Adaptive Security Appliance (ASA) Software →
CVE-2025-20363
A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure…
9.0
Critical
CVE-2025-20254
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security…
5.8
Medium
CVE-2025-20263
A vulnerability in the web services interface of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and…
8.6
High
CVE-2025-20253
A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure…
8.6
High