CVE-2021-32728

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

0.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 57.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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

2021-08-18 16:00Z5 YR AGO

Last updated

2024-08-03 23:33Z2 YR AGO

Reserved

2021-05-12

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

21a8b027ac5aed34402e7e5a908d66e5d0d345a8e335e6e9877d83d8f4995aa0

• hackerone.comhttps://hackerone.com/reports/1189162x_refsource_MISC
• github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-f5fr-5gcv-6cc5x_refsource_CONFIRM
• github.comhttps://github.com/nextcloud/desktop/pull/3338x_refsource_MISC
• www.debian.orgDSA-4974https://www.debian.org/security/2021/dsa-4974vendor-advisoryx_refsource_DEBIAN