PT-2020-1649 · Cisco · Cisco Asyncos+1

Published 2020-01-22 · Updated 2021-08-12 · CVE-2020-3133

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters on the device. The issue is due to improper validation of incoming emails. An attacker could exploit this by sending a crafted email message to a recipient protected by the ESA, potentially allowing malicious content to pass through the device.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2020-00878

CVE-2020-3133

Affected Products

Cisco Asyncos

Cisco Email Security Appliance

References · 4

• https://osv.dev/vulnerability/CVE-2020-3133 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3133 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-bypass-5Cdv2HMA · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00878 · Security Note