5.8

CVE-2020-3299

Multiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability

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 detection of modified HTTP packets used in chunked responses. 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Secure Firewall Threat Defense Version >= 6.0.0 < 6.3.0.1
   Cisco ≫ Cloud Services Router 1000v Version -
   Cisco ≫ Isrv Version -
   Cisco ≫ 1100-4p Version -
   Cisco ≫ 1100-8p Version -
   Cisco ≫ 1101-4p Version -
   Cisco ≫ 1109-2p Version -
   Cisco ≫ 1109-4p Version -
   Cisco ≫ 1111x-8p Version -
   Cisco ≫ 4221 Integrated Services Router Version -
   Cisco ≫ 4331 Integrated Services Router Version -
   Cisco ≫ 4431 Integrated Services Router Version -
   Cisco ≫ 4461 Integrated Services Router Version -
   Cisco ≫ Isa 3000 Version -
   Cisco ≫ Meraki Mx Version -
Snort ≫ Snort Version < 2.9.13.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.31% 0.814
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.8 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
Cisco PSIRT 5.8 3.9 1.4
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE-693 Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html
https://www.debian.org/security/2023/dsa-5354
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-bypass-3eCfd24j
Vendor Advisory