CVE & CISA-KEV Catalog

CVE-2023-20246

MEDIUM
5.8
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
ios xeNVD
Affected:>= 17.12, < 17.12.2Fixed in:17.12.2CVE-2023-20246derived from NVD
snortNVD
Affected:>= 3.0.0, < 3.1.57.0Fixed in:3.1.57.0CVE-2023-20246derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Exploit Intelligence

0.56%probability of exploitation in 30 days
42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-290 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-4358Critical9.897%KEV-
CVE-2022-24112Critical9.896%KEVFix
CVE-2022-23131Critical9.196%KEV-
CVE-2021-29441High8.674%-Fix
CVE-2021-31195Medium6.574%-Fix
CVE-2020-7388Critical10.070%-Fix
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.