HCL MyCloud was affected with SSL/TLS Protocol Affected with LUCKY13 Vulnerability.

published 2026-07-21 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-46345

cvss: 3.1; 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 4%
public exploits: 0; none known

HCL MyCloud was affected by the SSL/TLS LUCKY13 Vulnerability. An attacker may exploit this vulnerability to decrypt sensitive information through a TLS/SSL padding oracle attack.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 3 mo ago (2026-07-22)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

HCLSoftware MyCloud

Classification

Weakness

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References

support.hcl-software.com /csm?id=kb_article&sysparm_article=KB0132381
vendor-advisory

Sources

CVE List CVE-2026-56582
NVD CVE-2026-56582

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary