Cyber Resilience

CVE-2022-23548

Medium

Published: 05 January 2023

Published
05 January 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0064 71.0th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-23548 is a medium-severity Inefficient Regular Expression Complexity (CWE-1333) vulnerability in Discourse Discourse. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 29.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is…

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patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

discourse
discourse
2.9.0, 3.0.0 · ≤ 2.8.14

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References