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CVE-2021-27772

HIGH
Published 2022-05-12T21:25:28.545905Z
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Expert Analysis

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CVSS Score

V3.1
7.1
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.401
Higher than 40.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
LOW

Description

Users are able to read group conversations without actively taking part in them. Next to one to one conversations, users are able to start group conversations with multiple users. It was found possible to obtain the contents of these group conversations without being part of it. This could lead to information leakage where confidential information discussed in private groups is read by other users without the users knowledge.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

HCL Software

Sametime

Affected Versions:

11.6

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-67g3-hq78-3fjw

Advisory Details

Users are able to read group conversations without actively taking part in them. Next to one to one conversations, users are able to start group conversations with multiple users. It was found possible to obtain the contents of these group conversations without being part of it. This could lead to information leakage where confidential information discussed in private groups is read by other users without the users knowledge.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-27772
WEB https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 25, 2022

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430
Published: 2022-05-12T21:25:28.545905Z
Last Modified: 2024-09-17T03:02:57.695Z
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