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CVE-2021-1223

CVE information

Published

2 years ago

Last Modified

6 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

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 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..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
Partial

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:cisco:firepower_management_center:2.9.14.0:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_management_center:2.9.15:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_management_center:2.9.16:*:*:*:*:*
  Yes
- -
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
  Yes
- 6.7.0
cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*
  Yes
- 2.9.17