CVE Vulnerabilities

CVE-2021-1495

Improper Handling of Exceptional Conditions

Published: Apr 29, 2021 | Modified: May 09, 2021
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload.

Weakness

The software does not handle or incorrectly handles an exceptional condition.

Affected Software

Name Vendor Start Version End Version
Firepower_threat_defense Cisco * *
Firepower_threat_defense Cisco 6.5.0: *
Firepower_threat_defense Cisco 6.7.0: *

References