CVE-2020-3228 — Improper Input Validation in Cisco IOS 15.3 T

CWE-20 — Improper Input Validation4 documents4 sources
Severity
8.6HIGHNVD
EPSS
1.6%
top 18.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Cisco IOS 15.3 TCisco IOSCisco IOS XE+1 more
Timeline
PublishedJun 3
Latest updateMay 24

Description

A vulnerability in Security Group Tag Exchange Protocol (SXP) in Cisco IOS Software, Cisco IOS XE Software, and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because crafted SXP packets are mishandled. An attacker could exploit this vulnerability by sending specifically crafted SXP packets to the affected device. A successful exploit could allow the attacker t…

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 Packages4 packages

▶NVDcisco/ios257 versions+256
▶NVDcisco/nx-os9 versions+8
▶NVDcisco/ios_xe219 versions+218
▶CVEListV5cisco/cisco_ios_15.3_tn/a

Patches

Patch: tools.cisco.com ↗Patch: tools.cisco.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-cp9x-q25f-c3q9: A vulnerability in Security Group Tag Exchange Protocol (SXP) in Cisco IOS Software, Cisco IOS XE Software, and Cisco NX-OS Software could allow an un↗2022-05-24
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CVEList
Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Service Vulnerability↗2020-06-03
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📋Vendor Advisories

1
Cisco
Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Service Vulnerability↗2020-06-03
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CVE-2020-3228 — Improper Input Validation in Cisco | cvebase