CVE-2021-39359

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

1.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 63.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-08-22 00:00Z5 YR AGO

Last updated

2024-08-04 02:06Z2 YR AGO

Reserved

2021-08-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

25b4dfc4f3aee4c70deea0ad2f21a8ec60921458e32f7f5512c34147cede2416

• blogs.gnome.orghttps://blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessionasync-default-to-no-tls-certificate-verification/
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/libgda/-/issues/249
• lists.fedoraproject.orgFEDORA-2021-084f819da6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLMVVIJNY5NMOT3FH36RFBWOTPVW7GME/vendor-advisory
• lists.fedoraproject.orgFEDORA-2021-06510d73f1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRPPP47WRCAPAEJGRMEKYYJZBQCYXTLQ/vendor-advisory
• github.comhttps://github.com/GNOME/libgda/commit/bd7b9568bcd9f6d3e6680bb04323a670c842a62d