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Vulnerability Details : CVE-2021-1223

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 an HTTP range header. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass configured file policy for HTTP packets and deliver a malicious payload.
Publish Date : 2021-01-13 Last Update Date : 2021-01-19
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 269

- Products Affected By CVE-2021-1223

# Product Type Vendor Product Version Update Edition Language
1 Application Cisco Firepower Management Center 2.9.14.0 * * * Version Details Vulnerabilities
2 Application Cisco Firepower Management Center 2.9.15 * * * Version Details Vulnerabilities
3 Application Cisco Firepower Management Center 2.9.16 * * * Version Details Vulnerabilities
4 Application Cisco Firepower Threat Defense * * * * Version Details Vulnerabilities
5 Application Snort Snort * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Firepower Management Center 3
Cisco Firepower Threat Defense 1
Snort Snort 1

- References For CVE-2021-1223

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-filepolbypass-67DEwMe2
CISCO 20210113 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2021-1223

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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