CVE-2021-4076

Description

A flaw exists in tang, a network-based cryptographic binding server, which could result in leak of private keys.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.45%
Third-Party Advisory redhat.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a tang
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2029814 third party advisory issue tracking
https://github.com/latchset/tang/pull/81 patch third party advisory issue tracking
https://github.com/latchset/tang/commit/e82459fda10f0630c3414ed2afbc6320bb9ea7c9 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-4076?
CVE-2021-4076 has been scored as a high severity vulnerability.
How to fix CVE-2021-4076?
To fix CVE-2021-4076, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4076 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4076 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4076?
CVE-2021-4076 affects n/a tang.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.