How severe is CVE-2022-42446?

CVE-2022-42446 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2022-42446 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42446?

CVE-2022-42446 primarily affects Hcltech Sametime. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-42446?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-42446 published?

CVE-2022-42446 was published on 2022-12-12 and last updated on 2026-06-17.

CVE-2022-42446

CVE-2022-42446 is a medium-severity vulnerability in Hcltech Sametime with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Hcltech Sametime
Published: 2022-12-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-42446?: 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.
How severe is CVE-2022-42446?: CVE-2022-42446 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2022-42446 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42446?: CVE-2022-42446 primarily affects Hcltech Sametime. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-42446?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-42446 published?: CVE-2022-42446 was published on 2022-12-12 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0101768

Affected products (2)

cpe:2.3:a:hcltech:sametime:12.0:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:sametime:12.0:fp1:*:*:*:*:*:*

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