CVE-2021-34753

CWE-284 — Improper Access Control4 documents4 sources
Severity
5.3MEDIUM
EPSS
0.1%
top 76.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco Firepower Threat Defense SoftwareCisco Cisco Firepower Threat Defense Software
Timeline
PublishedNov 15

Description

A vulnerability in the payload inspection for Ethernet Industrial Protocol (ENIP) traffic for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured rules for ENIP traffic. This vulnerability is due to incomplete processing during deep packet inspection for ENIP packets. An attacker could exploit this vulnerability by sending a crafted ENIP packet to the targeted interface. A successful exploit could allow the attacker to bypass config…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

🔴Vulnerability Details

2
CVEList
Cisco Firepower Threat Defense Ethernet Industrial Protocol Policy Bypass Vulnerabilities↗2024-11-15
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GHSA
GHSA-4383-m935-j5wh: A vulnerability in the payload inspection for Ethernet Industrial Protocol (ENIP) traffic for Cisco Firepower Threat Defense (FTD) Software could allo↗2024-11-15
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📋Vendor Advisories

1
Cisco
Cisco Firepower Threat Defense Software Ethernet Industrial Protocol Policy Bypass Vulnerabilities↗2021-10-27
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CVE-2021-34753 (MEDIUM CVSS 5.3) | A vulnerability in the payload insp | cvebase.io