Is CVE-2023-48297 in the CISA KEV catalog?

No. CVE-2023-48297 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-48297?

CVE-2023-48297 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2023-48297?

CVE-2023-48297 has an EPSS score of 0.52% (40th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-48297?

Upgrade discourse to 3.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2023-48297

HIGH

8.6

CVSS v3

NVD

Description

Discourse is a platform for community discussion. The message serializer uses the full list of expanded chat mentions (@all and @here) which can lead to a very long array of users. This issue was patched in versions 3.1.4 and beta 3.2.0.beta5.

CWE-400Resource Exhaustion

How to fix

Remediation Available

discourseNVD

Affected:< 3.1.4Fixed in:3.1.4CVE-2023-48297derived from NVD

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

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.52%probability of exploitation in 30 days

40thpercentile

Moderate risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

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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.