CVE-2020-13799

Name: CVE-2020-13799
Creator: NVD / NIST
Published: 2020-11-18T22:15:11.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2020-13799 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Western Digital has identified a security vulnerability in the Replay Protected Memory Block (RPMB) protocol as specified in multiple standards for storage device interfaces, including all versions of eMMC, UFS, and NVMe. The RPMB protocol is specified by industry standards bodies and is implemented by storage devices from multiple vendors to assist host systems in securing trusted firmware. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

Western Digital has identified a security vulnerability in the Replay Protected Memory Block (RPMB) protocol as specified in multiple standards for storage device interfaces, including all versions of eMMC, UFS, and NVMe. The RPMB protocol is specified by industry standards bodies and is implemented by storage devices from multiple vendors to assist host systems in securing trusted firmware. Several scenarios have been identified in which the RPMB state may be affected by an attacker without the knowledge of the trusted component that uses the RPMB feature.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.29%

20.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-294

Affected Software

Vendor	Product	Versions
Westerndigital	Inand Cl Em132 Firmware	<= 2020-06-03
Westerndigital	Inand Ix Em132 Firmware	<= 2020-06-03
Westerndigital	Inand Ix Em132 Xi Firmware	<= 2020-06-03
Trustedfirmware	Op-Tee	<= 3.11.0

References

https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.westerndigital.com/support/productsecurity/wdc-20008-replay-attack-vulnerabilities-rpmb-protocol-applicationsVendor Advisory
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/231329Third Party Advisory, US Government Resource
https://www.westerndigital.com/support/productsecurity/wdc-20008-replay-attack-vulnerabilities-rpmb-protocol-applicationsVendor Advisory

Timeline

Published: Nov 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13799?

How severe is CVE-2020-13799?

CVE-2020-13799 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13799?

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-2020-13799?

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

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Source: NVD / NIST