CVE-2022-20685

CVSS V2 None CVSS V3 None

Description

A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit this vulnerability by sending crafted Modbus traffic through an affected device. A successful exploit could allow the attacker to cause the Snort process to hang, causing traffic inspection to stop.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Overview

CVE ID
CVE-2022-20685

Assigner
cisco

Vulnerability Status
PUBLISHED

Published Version
2024-11-15T15:36:31.261Z

Last Modified Date
2024-11-15T15:36:31.261Z

Weakness Enumerations

CWE	URL
CWE-190	http://cwe.mitre.org/data/definitions/190.html

References

Reference URL	Reference Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-dos-9D3hJLuj
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sna-xss-NXOxDhRQ

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-20685
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20685

History

Created	Old Value	New Value	Data Type	Notes
2024-11-16 12:11:31				Added to TrackCVE