PT-2022-3757 · Cisco · Cisco Ios Xe+1

Published 2022-04-13 · Updated 2022-04-26 · CVE-2022-20697

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS Software and Cisco IOS XE Software (affected versions not specified)

Description A vulnerability in the web services interface could allow an authenticated, remote attacker to cause a denial of service (DoS) condition due to improper resource management in the HTTP server code. An attacker could exploit this vulnerability by sending a large number of HTTP requests to an affected device, potentially causing the device to reload and resulting in a DoS condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Missing Release of Resource after Effective Lifetime

Weakness Enumeration

CWE-772

CWE-691

Related Identifiers

BDU:2022-04545

CVE-2022-20697

Affected Products

Cisco Ios

Cisco Ios Xe

References · 6

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/678260 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-20697 · Security Note
• https://osv.dev/vulnerability/CVE-2022-20697 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-04545 · Security Note