CVE-2020-3239

Name: CVE-2020-3239
Creator: NVD / NIST
Published: 2020-04-15T21:15:35.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 73.57%

Last modified Jun 17, 2026

CVE-2020-3239 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.. EPSS estimates a 73.57% chance of exploitation in the next 30 days.

Description

Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

73.57%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Ucs Director	6.0.0.0
Cisco	Ucs Director	6.0.0.1
Cisco	Ucs Director	6.0.1.0
Cisco	Ucs Director	6.0.1.1
Cisco	Ucs Director	6.0.1.2
Cisco	Ucs Director	6.0.1.3
Cisco	Ucs Director	6.5.0.0
Cisco	Ucs Director	6.5.0.1
Cisco	Ucs Director	6.5.0.2
Cisco	Ucs Director	6.5.0.3
Cisco	Ucs Director	6.5.0.4
Cisco	Ucs Director	6.6.0.0
Cisco	Ucs Director	6.6.1.0
Cisco	Ucs Director	6.6.2.0
Cisco	Ucs Director	6.7.0.0
Cisco	Ucs Director	6.7.1.0
Cisco	Ucs Director	6.7.2.0
Cisco	Ucs Director	6.7.3.0
Cisco	Ucs Director Express For Big Data	<= 3.7.3.0

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-mult-vulns-UNfpdW4EVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-539/Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-mult-vulns-UNfpdW4EVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-539/Third Party Advisory, VDB Entry

Timeline

Published: Apr 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3239?

How severe is CVE-2020-3239?

CVE-2020-3239 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 73.57% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3239?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3239?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST