PT-2020-2977 · Cisco · Cisco Asyncos+1

Published 2020-06-17 · Updated 2021-08-06 · CVE-2020-3368

Positive Technologies (AI Summary)

CVSS v3.1

5.8

Medium

Base vector

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

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

Description A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The issue is due to insufficient input validation of URLs. An attacker could exploit this by crafting the URL in a particular way, potentially allowing malicious URLs 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:2020-03144

CVE-2020-3368

Affected Products

Cisco Asyncos

Cisco Email Security Appliance

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WO4BZ75s · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3368 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3368 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03144 · Security Note