CVE-2023-20246
First published: Wed Nov 01 2023(Updated: )
Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Snort Snort | >=3.0.0<3.1.57.0 | |
| Cisco Firepower Threat Defense | >=7.0.0<=7.3.1.1 | |
| Cisco IOS XE | >=17.12<17.12.2 |
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Reference Links
Frequently Asked Questions
What is the vulnerability in Snort access control policies?
The vulnerability in Snort access control policies allows an unauthenticated, remote attacker to bypass the configured policies on an affected system.
Which products are affected by the vulnerability in Snort access control policies?
Multiple Cisco products, including Snort and Cisco Unified Threat Defense, are affected by the vulnerability.
What is the severity of CVE-2023-20246?
CVE-2023-20246 has a severity score of 5.8, which is considered medium severity.
How does the vulnerability in Snort access control policies occur?
The vulnerability in Snort access control policies occurs due to a logic error when the policies are being processed.
How can I fix the vulnerability in Snort access control policies?
To fix the vulnerability, users should apply the necessary updates or patches provided by Cisco.
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- agent/description
- agent/event
- agent/last-modified-date
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/snort
- canonical/snort snort
- version/snort snort/3.0.0
- vendor/cisco
- canonical/cisco firepower threat defense
- version/cisco firepower threat defense/7.0.0
- version/cisco firepower threat defense/7.3.1.1
- canonical/cisco ios xe
- version/cisco ios xe/17.12