Description
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.
Published: 2021-10-06
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-7001 A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.
History

Thu, 07 Nov 2024 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Cisco Asyncos Email Security Appliance C170 Email Security Appliance C190 Email Security Appliance C380 Email Security Appliance C390 Email Security Appliance C680 Email Security Appliance C690 Email Security Appliance C690x
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-11-07T21:51:16.446Z

Reserved: 2020-11-13T00:00:00.000Z

Link: CVE-2021-1534

cve-icon Vulnrichment

Updated: 2024-08-03T16:11:17.769Z

cve-icon NVD

Status : Modified

Published: 2021-10-06T20:15:07.657

Modified: 2024-11-21T05:44:34.010

Link: CVE-2021-1534

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses