CVE-2019-12646 — Improper Initialization in Cisco IOS XE Software

CWE-399CWE-665 — Improper Initialization4 documents4 sources
Severity
7.5HIGHNVD
EPSS
1.0%
top 22.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE SoftwareCisco IOS XE
Timeline
PublishedSep 25
Latest updateMay 24

Description

A vulnerability in the Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of transient SIP packets on which NAT is performed on an affected device. An attacker could exploit this vulnerability by using UDP port 5060 to send crafted SIP packets through an affected device that is performing N…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5cisco/cisco_ios_xe_softwareunspecified — 3.2.11aSG
▶NVDcisco/ios_xe13 versions+12

🔴Vulnerability Details

2
GHSA
GHSA-j86j-prqg-7fpq: A vulnerability in the Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Cisco IOS XE Software co↗2022-05-24
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CVEList
Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability↗2019-09-25
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📋Vendor Advisories

1
Cisco
Cisco IOS XE Software NAT Session Initiation Protocol Application Layer Gateway Denial of Service Vulnerability↗2019-09-25
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CVE-2019-12646 — Improper Initialization in Cisco | cvebase