CVE-2021-37587

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

6.5 Medium

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.82%Down 0.4 points since Jul 28, 2021

What each source reports

NVD Score used 6.5

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

Record: CVE-2021-37587
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness: CWE-327
Updated: 2026-11-02

CVE List No score

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

Record: CVE-2021-37587
Updated: 2026-11-02

EUVDEUVD-2021-24145 No score

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

Record: EUVD-2021-24145
Updated: 2026-11-03

GitHub AdvisoriesGHSA-42c8-ghxg-4f28 6.5

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

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

Record: GHSA-42c8-ghxg-4f28
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-326
Updated: 2026-11-02

OSV 6.5

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

Record: CVE-2021-37587
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

jhu charm

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-37587 is a medium vulnerability (CVSS 6.5) in Jhu Charm, published July 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References