cisco-sa-ESA-SNMP-JLAJksWK: Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Service Vulnerability
First published: Wed Apr 06 2022(Updated: )
A vulnerability in the TCP/IP stack of Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), and Cisco Secure Email and Web Manager, formerly Security Management Appliance, could allow an unauthenticated, remote attacker to crash the Simple Network Management Protocol (SNMP) service, resulting in a denial of service (DoS) condition. This vulnerability is due to an open port listener on TCP port 199. An attacker could exploit this vulnerability by connecting to TCP port 199. A successful exploit could allow the attacker to crash the SNMP service, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-SNMP-JLAJksWK Attention: Simplifying the Cisco portfolio includes the renaming of security products under one brand: Cisco Secure. For more information, see Meet Cisco Secure.
Credit: This vulnerability was found during the resolution a Cisco TAC support case
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco AsyncOS Software | =14.0<14.02.0-020 | 14.02.0-020 |
| Cisco AsyncOS Software | >=12.5 and earlier.=13.8.1=14.0<=14.1<14.1.0-239 | 14.1.0-239 |
| Cisco AsyncOS Software |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-ESA-SNMP-JLAJksWK?
The severity of cisco-sa-ESA-SNMP-JLAJksWK is categorized as high due to its potential impact on the Cisco Email Security and Web Security Appliances.
How do I fix cisco-sa-ESA-SNMP-JLAJksWK?
To fix cisco-sa-ESA-SNMP-JLAJksWK, upgrade to the recommended versions of Cisco AsyncOS Software listed in the advisory.
Who is affected by cisco-sa-ESA-SNMP-JLAJksWK?
cisco-sa-ESA-SNMP-JLAJksWK affects users of Cisco Email Security Appliance, Cisco Web Security Appliance, and Cisco Secure Email and Web Manager with vulnerable versions of AsyncOS.
Can cisco-sa-ESA-SNMP-JLAJksWK be exploited remotely?
Yes, cisco-sa-ESA-SNMP-JLAJksWK can be exploited remotely by unauthenticated attackers.
What type of vulnerability is cisco-sa-ESA-SNMP-JLAJksWK?
cisco-sa-ESA-SNMP-JLAJksWK is a vulnerability within the TCP/IP stack that can lead to a denial of service.
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/references
- agent/weakness
- agent/severity
- agent/title
- agent/author
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/cisco-advisory
- source/Cisco
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco asyncos software
- version/cisco asyncos software/14.0
- version/cisco asyncos software/12.5 and earlier.
- version/cisco asyncos software/13.8.1
- version/cisco asyncos software/14.1