Is CVE-2023-28111 in the CISA KEV catalog?

No. CVE-2023-28111 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-28111?

CVE-2023-28111 has a CVSS v3 base score of 5.7 (MEDIUM).

What is the EPSS score for CVE-2023-28111?

CVE-2023-28111 has an EPSS score of 0.56% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-28111?

Upgrade discourse to 3.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-28111

MEDIUM

5.7

CVSS v3

NVD

Description

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the `beta` and `tests-passed` branches, attackers are able to bypass Discourse's server-side request forgery (SSRF) protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the latest beta and tests-passed version of Discourse. version 3.1.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

discourseNVD

Affected:< 3.1.0Fixed in:3.1.0CVE-2023-28111derived 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 RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.56%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Patch2

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21893	High	8.2	100%	KEV + Ransom	-
CVE-2021-40438	Critical	9.0	100%	KEV	Fix
CVE-2021-34473	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-26855	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41040	High	8.8	100%	KEV + Ransom	Fix

Embed a live status badge for CVE-2023-28111

Markdown

[![CVE-2023-28111](https://tridentstack.com/cve/badge/CVE-2023-28111.svg)](https://tridentstack.com/cve/CVE-2023-28111)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-28111"><img src="https://tridentstack.com/cve/badge/CVE-2023-28111.svg" alt="CVE-2023-28111"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.