Detections
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CVE-2020-12399

medium

Description

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

References

https://www.debian.org/security/2020/dsa-4726

https://usn.ubuntu.com/4421-1/

https://security.gentoo.org/glsa/202007-49

https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html

https://www.mozilla.org/security/advisories/mfsa2020-22/

https://www.mozilla.org/security/advisories/mfsa2020-21/

https://www.mozilla.org/security/advisories/mfsa2020-20/

https://bugzilla.mozilla.org/show_bug.cgi?id=1631576

Details

Source: Mitre, NVD

Published: 2020-07-09

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 1.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 4.4

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00071