CVE-2021-32635

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

1.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 72.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-05-28 20:20Z5 YR AGO

Last updated

2024-08-03 23:25Z2 YR AGO

Reserved

2021-05-12

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-923Improper Restriction of Communication Channel to Intended EndpointsClass

Data version

5.1

Document digest

ec2d77661896fc2a846f8a930a13d5c4f2878bd26e55b1f029583bc877744721

• github.comhttps://github.com/sylabs/singularity/security/advisories/GHSA-5mv9-q7fq-9394x_refsource_CONFIRM
• github.comhttps://github.com/sylabs/singularity/releases/tag/v3.7.4x_refsource_MISC
• security.gentoo.orgGLSA-202107-50https://security.gentoo.org/glsa/202107-50vendor-advisoryx_refsource_GENTOO