CVE-2026-21751 json
HCL Hive is affected by use of a cryptographic primitive with a risky implementation
published 2026-08-24 2 mo ago modified 2026-10-12 28 d ago also EUVD-2026-64855
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 11%
- public exploits
- 0
- none known
Summary
HCL Hive is affected by a cryptographic primitive with a risky implementation which could allow an attacker unauthorized lateral compromise or widespread credential leakage if a single internal component is breached.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
- HCLSoftware HCL Hive
Classification
- Weakness
-
- CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation
References
Sources
- CVE List CVE-2026-21751
- NVD CVE-2026-21751
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