CVE-2020-3120

CWE-190 — Integer Overflow4 documents4 sources
Severity
6.5MEDIUM
EPSS
0.3%
top 45.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Cisco Cisco IOS XR SoftwareCisco Firepower Extensible Operating SystemCisco Nx-os+3 more
Timeline
PublishedFeb 5
Latest updateMay 24

Description

A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a missing check when the affected software processes Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an a…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶CVEListV5cisco/cisco_ios_xr_softwareunspecified — 2.3.1.173
▶NVDcisco/fxos2.4
▶NVDcisco/nx-os5.2 — 6.2\(29\)+13
▶NVDcisco/ucs_manager4.0 — 4.0\(4g\)+1

🔴Vulnerability Details

2
GHSA
GHSA-vw86-rxwf-9vhm: A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an↗2022-05-24
▶
CVEList
Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service Vulnerability↗2020-02-05
▶

📋Vendor Advisories

1
Cisco
Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service Vulnerability↗2020-02-05
▶