CVE & CISA-KEV Catalog

CVE-2023-20071

MEDIUM
5.8
CVSS v3
NVD

Description

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and deliver a malicious payload.

CWE-1039

How to fix

Remediation Available
cyber visionNVD
Affected:< 4.1.3Fixed in:4.1.3CVE-2023-20071derived from NVD
firepower threat defenseNVD
Affected:>= 7.2.0, < 7.2.1Fixed in:7.2.1CVE-2023-20071derived from NVD
unified threat defenseNVD
Affected:>= 17.12, < 17.12.1aFixed in:17.12.1aCVE-2023-20071derived 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

0.52%probability of exploitation in 30 days
40thpercentile

Moderate risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory1
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CVE-2023-20071 severity badge

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.