What is CVE-2022-31017?

CVE-2022-31017 is a low-severity vulnerability in Zulip, classified under CWE-571. CVSS score: 2.0/10. Published 2022-06-25.

How severe is CVE-2022-31017?

Low severity. CVSS v3 base score is 2.0 out of 10.

Vulnerability in Zulip

CVE-2022-31017

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.

EPSS: 0.005 (42.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N.

Affected products

Zulip — versions >= 2.1.0, < 5.3

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2022-31017?: CVE-2022-31017 is a low-severity vulnerability in Zulip, classified under CWE-571. CVSS score: 2.0/10. Published 2022-06-25.
How severe is CVE-2022-31017?: Low severity. CVSS v3 base score is 2.0 out of 10.