What is CVE-2021-34753?

CVE-2021-34753 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Access Control. CVSS score: 5.8/10. Published 2024-11-15.

How severe is CVE-2021-34753?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Vulnerability in Cisco Firepower Threat Defense Software

CVE-2021-34753

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. Thi…

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Cisco Firepower Threat Defense Software — versions N/A
Cisco Firepower_threat_defense_software — versions 7.0.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2021-34753?: CVE-2021-34753 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Access Control. CVSS score: 5.8/10. Published 2024-11-15.
How severe is CVE-2021-34753?: Medium severity. CVSS v3 base score is 5.8 out of 10.