CVE & CISA-KEV Catalog

CVE-2020-3564

MEDIUM
5.3
CVSS v3
NVD

Description

A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass FTP inspection. The vulnerability is due to ineffective flow tracking of FTP traffic. 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 successfully complete FTP connections.

CWE-284Improper Access ControlCWE-436

How to fix

Remediation Available
adaptive security applianceNVD
Affected:< 9.6Fixed in:9.6CVE-2020-3564derived from NVD
adaptive security appliance softwareNVD
Affected:>= 9.14.0, < 9.14.1.19Fixed in:9.14.1.19CVE-2020-3564derived from NVD
firepower threat defenseNVD
Affected:>= 6.6.0, < 6.6.1Fixed in:6.6.1CVE-2020-3564derived 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
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

1.31%probability of exploitation in 30 days
67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Vendor Advisory1
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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.