Vulnerability · Published Jul 27, 2021 · Assigned by mitre

CVE-2021-37587

Medium 6.5

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)0.8%top 42.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/JHUISI/charm/issues/276 x_refsource_MISC
https://jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.html x_refsource_MISC
https://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html x_refsource_MISC
https://eprint.iacr.org/2020/460 x_refsource_MISC
https://www2.hci.uni-hannover.de/papers/Tan2019.pdf x_refsource_MISC