CVE-2021-37587

MEDIUM

Charm 0.43 - Use of a Broken or Risky Cryptographic Algorithm

Title source: llm
STIX 2.1

Description

In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.

References (5)

Core 5
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/JHUISI/charm/issues/276
Patch, Third Party Advisory x_refsource_misc
https://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html
Third Party Advisory x_refsource_misc
https://eprint.iacr.org/2020/460
Technical Description, Third Party Advisory x_refsource_misc
https://www2.hci.uni-hannover.de/papers/Tan2019.pdf

Scores

CVSS v3 6.5
EPSS 0.0082
EPSS Percentile 52.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-327
Status published
Products (1)
jhu/charm 0.43
Published Jul 30, 2021
Tracked Since Feb 18, 2026