CVE-2020-12658

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-12-31 00:17Z5 YR AGO

Last updated

2024-08-04 12:04Z2 YR AGO

Reserved

2020-05-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass

Data version

5.1

Document digest

7f38cac5c8e5e50e321cdd9dd1ce757bea63821cc8b139f55071e1c50aa8e975

• pagure.iohttps://pagure.io/gssproxy/c/cb761412e299ef907f22cd7c4146d50c8a792003?branch=masterx_refsource_MISC
• github.comhttps://github.com/gssapi/gssproxy/compare/v0.8.2...v0.8.3x_refsource_MISC
• github.comhttps://github.com/gssapi/gssproxy/commit/cb761412e299ef907f22cd7c4146d50c8a792003x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20210104 [SECURITY] [DLA 2516-1] gssproxy security updatehttps://lists.debian.org/debian-lts-announce/2021/01/msg00004.htmlmailing-listx_refsource_MLIST