What’s Vulnerable › Vulnerabilities

CVE-2021-37588

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-30 · updated 2026-06-17
• Weakness: CWE-327

Description

In Charm 0.43, any two users can collude to achieve the ability to decrypt YCT14 data.

Affected products

• Jhu Charm: 0.43

References

• https://eprint.iacr.org/2020/460
• https://github.com/JHUISI/charm/blob/dev/charm/schemes/abenc/abenc_yct14.py
• https://github.com/JHUISI/charm/issues/276
• https://www2.hci.uni-hannover.de/papers/Tan2019.pdf
• https://eprint.iacr.org/2020/460
• https://github.com/JHUISI/charm/blob/dev/charm/schemes/abenc/abenc_yct14.py
• https://github.com/JHUISI/charm/issues/276
• https://www2.hci.uni-hannover.de/papers/Tan2019.pdf

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