PT-2021-6795 · Cisco · Cisco Secure Email/Web Manager+2

Published 2021-11-02 · Updated 2022-04-14 · CVE-2022-20675

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance (ESA) (affected versions not specified) Cisco Web Security Appliance (WSA) (affected versions not specified) Cisco Secure Email and Web Manager (affected versions not specified)

Description A vulnerability in the TCP/IP stack 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.

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

Weakness Enumeration

CWE-248

Related Identifiers

BDU:2022-02216

CVE-2022-20675

Affected Products

Cisco Email Security Appliance

Cisco Secure Email/Web Manager

Cisco Web Security Appliance

References · 7

• https://osv.dev/vulnerability/CVE-2022-20675 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-SNMP-JLAJksWK · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20675 · Security Note
• https://bdu.fstec.ru/vul/2022-02216 · Security Note
• https://t.me/cibsecurity/40260 · Telegram Post
• https://vuldb.com/ru/?id.196611 · Note
• https://t.me/cvenotify/28549 · Telegram Post