Is CVE-2020-3538 in the CISA KEV catalog?

No. CVE-2020-3538 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3538?

CVE-2020-3538 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2020-3538?

CVE-2020-3538 has an EPSS score of 0.50% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3538?

Upgrade data center network manager to 11.4(1) or later.

CVE & CISA-KEV Catalog

CVE-2020-3538

MEDIUM

4.6

CVSS v3

NVD

Description

A vulnerability in a certain REST API endpoint of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to perform a path traversal attack on an affected device. The vulnerability is due to insufficient path restriction enforcement. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to overwrite or list arbitrary files on the affected device.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CWE-20Improper Input Validation CWE-22Path Traversal

How to fix

Remediation Available

data center network managerNVD

Affected:< 11.4(1)Fixed in:11.4(1)CVE-2020-3538derived 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 RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.50%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory1

sec.cloudapps.cisco.com

Other references2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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 2025-08-06.