CVE-2022-42446

MEDIUMNVD 6.56.5—

6.5

Starting with Sametime 12, anonymous users are enabled by default. After logging in as an anonymous user, one has the ability to browse the User Directory and potentially create chats with internal users.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 46.7%
KEV: Not listed

Published

December 12, 2022

Last Modified

April 24, 2025

References (2)

psirt@hclhttps://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0101768
af854a3a-2127-422b-91ae-364da2661108https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0101768

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-276Incorrect Default Permissions

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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Frequently asked(5)

What is CVE-2022-42446?

CVE-2022-42446 is a medium vulnerability published on December 12, 2022. Starting with Sametime 12, anonymous users are enabled by default. After logging in as an anonymous user, one has the ability to browse the User Directory and potentially create chats with internal users.

When was CVE-2022-42446 disclosed?

CVE-2022-42446 was first published in the National Vulnerability Database on December 12, 2022, with the most recent update on April 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-42446 actively exploited?

CVE-2022-42446 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-42446?

CVE-2022-42446 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2022-42446?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-42446, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-42446

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-42446?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)