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Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerabilities

cisco-sa-http-fp-bp-KfDdcQhc · Medium · Published · Updated

Multiple Cisco products are affected by vulnerabilities in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. These vulnerabilities are due to incorrect handling of specific HTTP header parameters. An attacker could exploit these vulnerabilities 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. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.  This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-fp-bp-KfDdcQhc

Workarounds

There are no workarounds that address these vulnerabilities.

CVEsCVE-2021-1494, CVE-2021-1495
Cisco Bug IDsCSCvv70864, CSCvw26645, CSCvw59055, CSCvw19272
CVSS ScoreBase 5.8
Base 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco UTD SNORT IPS Engine Software, Cisco Firepower Threat Defense Software 6.2.3, Cisco Firepower Threat Defense Software 6.2.3.1, Cisco Firepower Threat Defense Software 6.2.3.2, Cisco Firepower Threat Defense Software 6.2.3.3, Cisco Firepower Threat Defense Software 6.2.3.4, Cisco Firepower Threat Defense Software 6.2.3.5, Cisco Firepower Threat Defense Software 6.2.3.6, Cisco Firepower Threat Defense Software 6.2.3.7, Cisco Firepower Threat Defense Software 6.2.3.8, Cisco Firepower Threat Defense Software 6.2.3.10, Cisco Firepower Threat Defense Software 6.2.3.11, Cisco Firepower Threat Defense Software 6.2.3.9, Cisco Firepower Threat Defense Software 6.2.3.12, Cisco Firepower Threat Defense Software 6.2.3.13, Cisco Firepower Threat Defense Software 6.2.3.14, Cisco Firepower Threat Defense Software 6.2.3.15, Cisco Firepower Threat Defense Software 6.2.3.16, Cisco Firepower Threat Defense Software 6.6.0, Cisco Firepower Threat Defense Software 6.6.0.1, Cisco Firepower Threat Defense Software 6.6.1, Cisco Firepower Threat Defense Software 6.4.0, Cisco Firepower Threat Defense Software 6.4.0.1, Cisco Firepower Threat Defense Software 6.4.0.3, Cisco Firepower Threat Defense Software 6.4.0.2, Cisco Firepower Threat Defense Software 6.4.0.4, Cisco Firepower Threat Defense Software 6.4.0.5, Cisco Firepower Threat Defense Software 6.4.0.6, Cisco Firepower Threat Defense Software 6.4.0.7, Cisco Firepower Threat Defense Software 6.4.0.8, Cisco Firepower Threat Defense Software 6.4.0.9, Cisco Firepower Threat Defense Software 6.4.0.10, Cisco Firepower Threat Defense Software 6.4.0.11, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco Firepower 2100 Series, Cisco Firepower 1000 Series, Cisco 3000 Series Industrial Security Appliances (ISA), Cisco Firepower 9000 Series, Cisco Firepower 4100 Series, Cisco Secure Firewall Threat Defense Virtual

Related Products

Product CVE Evidence
Cisco UTD SNORT IPS Engine Software CVE-2021-1495 Cisco OpenVuln
Cisco UTD SNORT IPS Engine Software CVE-2021-1494 Cisco OpenVuln
Cisco Secure Firewall Threat Defense Virtual CVE-2021-1495 Cisco OpenVuln
Cisco Secure Firewall Threat Defense Virtual CVE-2021-1494 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2021-1495 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2021-1494 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2021-1495 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2021-1494 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2021-1495 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2021-1494 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2021-1495 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2021-1494 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2021-1495 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2021-1494 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2021-1495 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2021-1494 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2021-1495 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2021-1494 Cisco OpenVuln