What’s Vulnerable › Vulnerabilities

CVE-2021-27769: HCL Sametime is vulnerable to an information disclosure

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-12 · updated 2026-06-17
• Weakness: CWE-472

Description

Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limited whenever possible.

Affected products

• HCL Software Sametime: 11.6

References

• https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430
• https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430

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