CVE-2017-1712

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-01 · updated 2026-06-17
Weakness: CWE-326

Description

"A vulnerability in the TLS protocol implementation of the Domino server could allow an unauthenticated, remote attacker to access sensitive information, aka a Return of Bleichenbacher's Oracle Threat (ROBOT) attack. An attacker could iteratively query a server running a vulnerable TLS stack implementation to perform cryptanalytic operations that may allow decryption of previously captured TLS sessions."

Affected products

HCL Domino: before 9.0.1 — fixed in 9.0.1

How to fix

Upgrade to a fixed version: HCL Domino 9.0.1. Check the vendor advisory for mitigations.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0080545
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0080545

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