CVE-2019-12655 — Improper Input Validation in Cisco IOS XE Software 3.16.8s

CWE-20 — Improper Input ValidationCWE-120 — Classic Buffer Overflow4 documents4 sources
Severity
7.5HIGHNVD
EPSS
1.3%
top 20.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE Software 3.16.8sCisco IOS
Timeline
PublishedSep 25
Latest updateMay 24

Description

A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the Zone-Based Policy Firewall (ZBFW) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a buffer overflow that occurs when an affected device inspects certain FTP traffic. An attacker could exploit this vulnerability by performing a specific FTP transfer through t…

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_software_3.16.8sunspecified — n/a
▶NVDcisco/ios3.16.8s — 16.3.8+5

🔴Vulnerability Details

2
GHSA
GHSA-56j6-c5p2-5rq5: A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the↗2022-05-24
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CVEList
Cisco IOS XE Software FTP Application Layer Gateway for NAT, NAT64, and ZBFW Denial of Service Vulnerability↗2019-09-25
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📋Vendor Advisories

1
Cisco
Cisco IOS XE Software FTP Application Layer Gateway for NAT, NAT64, and ZBFW Denial of Service Vulnerability↗2019-09-25
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CVE-2019-12655 — Improper Input Validation in Cisco | cvebase