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CVE-2022-31017

LOW
Published 2022-06-25T08:15:16.000Z
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CVSS Score

V3.1
2.0
/10
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.168
Higher than 16.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

Zulip is an open-source team collaboration tool. Versions 2.1.0 through and including 5.2 are vulnerable to a logic error. A stream configured as private with protected history, where new subscribers should not be allowed to see messages sent before they were subscribed, when edited causes the server to incorrectly send an API event that includes the edited message to all of the stream’s current subscribers. This API event is ignored by official clients, but can be observed by using a modified client or the browser’s developer tools. This bug will be fixed in Zulip Server 5.3. There are no known workarounds.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

zulip

zulip

Affected Versions:

>= 2.1.0, < 5.3

References

https://github.com/zulip/zulip/security/advisories/GHSA-m5j3-jp59-6f3q
Published: 2022-06-25T08:15:16.000Z
Last Modified: 2025-04-23T18:08:41.319Z
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