CVEvulnerability

CVE-2020-3226

8.6 HIGH Published 2020-06-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 3.0 ([email protected])
8.6 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

A vulnerability in the Session Initiation Protocol (SIP) library of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient sanity checks on received SIP messages. An attacker could exploit this vulnerability by sending crafted SIP messages to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service condition.

Affected configurations

• cisco ios 15.0\(2\)sg11a • cisco ios 15.3\(3\)jaa1 • cisco ios 15.3\(3\)jpi • cisco ios 15.3\(3\)jpj • cisco ios 15.3\(3\)m • cisco ios 15.3\(3\)m1 • cisco ios 15.3\(3\)m2 • cisco ios 15.3\(3\)m3 • cisco ios 15.3\(3\)m4 • cisco ios 15.3\(3\)m5 • cisco ios 15.3\(3\)m6 • cisco ios 15.3\(3\)m7 • cisco ios 15.3\(3\)m8 • cisco ios 15.3\(3\)m8a • cisco ios 15.3\(3\)m9 • cisco ios 15.3\(3\)m10 • cisco ios 15.3\(3\)xb12 • cisco ios 15.4\(1\)cg • cisco ios 15.4\(1\)t • cisco ios 15.4\(1\)t1 • cisco ios 15.4\(1\)t2 • cisco ios 15.4\(1\)t3 • cisco ios 15.4\(1\)t4 • cisco ios 15.4\(2\)cg • cisco ios 15.4\(2\)t • cisco ios 15.4\(2\)t1 • cisco ios 15.4\(2\)t2 • cisco ios 15.4\(2\)t3 • cisco ios 15.4\(2\)t4 • cisco ios 15.4\(3\)m • cisco ios 15.4\(3\)m1 • cisco ios 15.4\(3\)m2 • cisco ios 15.4\(3\)m3 • cisco ios 15.4\(3\)m4 • cisco ios 15.4\(3\)m5 • cisco ios 15.4\(3\)m6 • cisco ios 15.4\(3\)m6a • cisco ios 15.4\(3\)m7 • cisco ios 15.4\(3\)m7a • cisco ios 15.4\(3\)m8 • cisco ios 15.4\(3\)m9 • cisco ios 15.4\(3\)m10 • cisco ios 15.5\(1\)t • cisco ios 15.5\(1\)t1 • cisco ios 15.5\(1\)t2 • cisco ios 15.5\(1\)t3 • cisco ios 15.5\(1\)t4 • cisco ios 15.5\(2\)t • cisco ios 15.5\(2\)t1 • cisco ios 15.5\(2\)t2 • cisco ios 15.5\(2\)t3 • cisco ios 15.5\(2\)t4 • cisco ios 15.5\(2\)xb • cisco ios 15.5\(3\)m • cisco ios 15.5\(3\)m1 • cisco ios 15.5\(3\)m2 • cisco ios 15.5\(3\)m2a • cisco ios 15.5\(3\)m3 • cisco ios 15.5\(3\)m4 • cisco ios 15.5\(3\)m4a … and 200 more

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References