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CVE-2021-37587
In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.
Medium6.5EPSS 0.82%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.82% · top 43% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://github.com/JHUISI/charm/issues/276 (opens in a new tab)x_refsource_MISCx_transferred
- https://jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.html (opens in a new tab)x_refsource_MISCx_transferred
- https://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html (opens in a new tab)x_refsource_MISCx_transferred
- https://eprint.iacr.org/2020/460 (opens in a new tab)x_refsource_MISCx_transferred
- https://www2.hci.uni-hannover.de/papers/Tan2019.pdf (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2021-37587)Record last updated .