Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability (Cisco Cisco Firepower Threat Defense Software)

CVE-2021-1236
MEDIUM 4.0

En bref

Source
NVD
EPSS
EPSS 2.19 % · centile 82 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
cisco
Statut NVD
Modified

Description

Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network.

Faiblesses (CWE)

  • CWE-670 — Flot de contrôle systématiquement incorrect

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.0MEDIUM 4.0CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:Ncisco
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NNVD · nvd@nist.gov (Primary)
CVSS 3.0MEDIUM 4.0CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:NNVD · psirt@cisco.com (Secondary)
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:N/I:P/A:NNVD · nvd@nist.gov (Primary)

Références européennes

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Cisco · Cisco Firepower Threat Defense Softwareaffected n/a

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