Cisco Cisco Firepower Threat Defense Software

CVE-2021-1494
MEDIUM 5.8

At a glance

Source
NVD
EPSS
EPSS 1.10 % · percentile 66 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Deferred

Description

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.

Weaknesses (CWE)

  • CWE-693 — Protection Mechanism Failure

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Ncisco
CVSS 3.1MEDIUM 5.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NNVD · psirt@cisco.com (Secondary)

European references

Affected products

ProductVersions
Cisco · Cisco Firepower Threat Defense Softwareaffected N/A
Cisco · Cisco UTD SNORT IPS Engine Softwareaffected 16.12.1a ; affected 16.12.2 ; affected 16.12.3 ; affected 16.12.4 ; affected 16.6.1 ; affected 16.6.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD