CVE-2020-3226 — Improper Input Validation in Cisco IOS 15.0 Sg11a

CWE-20 — Improper Input Validation4 documents4 sources

Severity

8.6HIGHNVD

EPSS

1.0%

top 22.61%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco IOS 15.0 Sg11a Cisco IOS Cisco IOS XE

Timeline

PublishedJun 3

Latest updateMay 24

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 affect…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages3 packages

▶NVDcisco/ios103 versions+102

▶NVDcisco/ios_xe157 versions+156

▶CVEListV5cisco/cisco_ios_15.0_sg11an/a

🔴Vulnerability Details

GHSA

GHSA-qmqq-47f4-9vp6: A vulnerability in the Session Initiation Protocol (SIP) library of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remot↗2022-05-24

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CVEList

Cisco IOS and IOS XE Software Session Initiation Protocol Denial of Service Vulnerability↗2020-06-03

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📋Vendor Advisories

Cisco

Cisco IOS and IOS XE Software Session Initiation Protocol Denial of Service Vulnerability↗2020-06-03

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