CVE-2021-37588

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

0.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 57.4% 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

2021-07-27 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

a03bc84733f2aab05359b10644e6904a2a35f0ed61c9b2ecae2232118366c39f

• github.comhttps://github.com/JHUISI/charm/issues/276x_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
• github.comhttps://github.com/JHUISI/charm/blob/dev/charm/schemes/abenc/abenc_yct14.pyx_refsource_MISC