CVE-2020-3516

Description

A vulnerability in the web server authentication of Cisco IOS XE Software could allow an authenticated, remote attacker to crash the web server on the device. The vulnerability is due to insufficient input validation during authentication. An attacker could exploit this vulnerability by entering unexpected characters during a valid authentication. A successful exploit could allow the attacker to crash the web server on the device, which must be manually recovered by disabling and re-enabling the web server.

Risk Information

Base Score
4.3
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS Score
Exploitation Probability
0.628

Associated Vulnerability

VulnerabilityOS Platform
Cisco IOS XE Software Web UI Improper Input Validation Vulnerability For Cisco IOS XE SoftwareNCM
Improper Input Validation Vulnerability (CVE-2020-3516)NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-1706107Security Update for Cisco IOS XE Software 5.2(1)SV5(1.3a)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234