CVE-2021-37587

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

0.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.6% 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

2021-07-27 22:06Z5 YR AGO

Last updated

2024-08-04 01:23Z2 YR AGO

Reserved

2021-07-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-327Use of a Broken or Risky Cryptographic AlgorithmClass

Data version

5.1

Document digest

361377f9f9f7226abb9b209a123b367f675fdc315aec409e7481ba2c81178847

• github.comhttps://github.com/JHUISI/charm/issues/276x_refsource_MISC
• jhuisi.github.iohttps://jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.htmlx_refsource_MISC
• jhuisi.github.iohttps://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.htmlx_refsource_MISC
• eprint.iacr.orghttps://eprint.iacr.org/2020/460x_refsource_MISC
• www2.hci.uni-hannover.dehttps://www2.hci.uni-hannover.de/papers/Tan2019.pdfx_refsource_MISC