CVE-2020-4126

5.9 mediumEPSS 0.7%

Medium (5.9) in hcltech hcl inotes. EPSS 0.7% chance of exploitation in the next 30 days.

HCL iNotes is susceptible to a sensitive cookie exposure vulnerability. This can allow an unauthenticated remote attacker to capture the cookie by intercepting its transmission within an http session. Fixes are available in HCL Domino and iNotes versions 10.0.1 FP6 and 11.0.1 FP2 and later.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-311
Published: 2020-12-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hcltech:hcl_inotes

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085411
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085411

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