CVE-2022-42446Network attack vector

Unauthenticated directory browsing via default anonymous access

Published Nov 30, 2022 · Updated Apr 24, 2025

Incorrect default permissions in HCL Sametime 12.0 and 12.0FP1 allow remote attackers to browse its user directory anonymously. The server enables anonymous users by default and grants their sessions directory lookup and internal-chat initiation capabilities. Network access to the Sametime service is sufficient, exposing directory information and allowing unsolicited chats with internal users.

CVSS severity6.5
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect default permissions in HCL Sametime 12.0 and 12.0FP1 allow remote attackers to browse its user directory anonymously. The server enables anonymous users by default and grants their sessions directory lookup and internal-chat initiation capabilities. Network access to the Sametime service is sufficient, exposing directory information and allowing unsolicited chats with internal users.

The record

CVE
CVE-2022-42446
Published
Nov 30, 2022
Updated
Apr 24, 2025
Vendor
HCL Software
Product
HCL Sametime
Classifications
CWE-276, T1087
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.0, 12.0FP1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HCL Software · HCL Sametimeversion=12.0, 12.0FP1

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5HCL SoftwareCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1087Account Discovery

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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