CVE-2022-24824

Q: How do I fix CVE-2022-24824?

Upgrade discourse to 2.8.3 or later.

Q: Is CVE-2022-24824 being actively exploited?

Not that we know of. CVE-2022-24824 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.98% is the estimated probability that it will be exploited in the next 30 days. That is higher than 59% of all scored CVEs.

Q: How severe is CVE-2022-24824?

CVE-2022-24824 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2022-24824 affect?

Published advisories record a fix for discourse (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

5.3

CVSS v3

NVD

Description

Discourse is an open source platform for community discussion. In affected versions an attacker can poison the cache for anonymous (i.e. not logged in) users, such that the users are shown the crawler view of the site instead of the HTML page. This can lead to a partial denial-of-service. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. There are no known workarounds for this issue.

CWE-829

How to fix

Remediation Available

discourseNVD

Affected:< 2.8.3Fixed in:2.8.3CVE-2022-24824derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.98%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-829 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-17246	Critical	9.8	82%	-	Fix
CVE-2024-5762	High	8.1	72%	-	-
CVE-2018-7422	High	7.5	62%	-	-
CVE-2023-2249	High	8.8	61%	-	-
CVE-2025-32463	Critical	9.3	56%	KEV	Fix
CVE-2026-0770	Critical	9.8	56%	KEV	-

Common questions

How do I fix CVE-2022-24824?

Upgrade discourse to 2.8.3 or later.

Is CVE-2022-24824 being actively exploited?

Not that we know of. CVE-2022-24824 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.98% is the estimated probability that it will be exploited in the next 30 days. That is higher than 59% of all scored CVEs.

How severe is CVE-2022-24824?

CVE-2022-24824 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-24824 affect?

Published advisories record a fix for discourse (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.