How severe is CVE-2024-37157?

CVE-2024-37157 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2024-37157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-37157?

CVE-2024-37157 primarily affects Discourse. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-37157?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-37157 have an EU (EUVD) identifier?

Yes. CVE-2024-37157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36469.

When was CVE-2024-37157 published?

CVE-2024-37157 was published on 2024-07-03 and last updated on 2026-06-17.

CVE-2024-37157

CVE-2024-37157 is a medium-severity vulnerability in Discourse with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36469
Weakness: CWE-918
Affected product: Discourse
Published: 2024-07-03
Last modified: 2026-06-17

Description

Discourse is an open-source discussion platform. Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta4 on the `beta` and `tests-passed` branches, a malicious actor could get the FastImage library to redirect requests to an internal Discourse IP. This issue is patched in version 3.2.3 on the `stable` branch and version 3.3.0.beta4 on the `beta` and `tests-passed` branches. No known workarounds are available.

Frequently asked questions

What is CVE-2024-37157?: Discourse is an open-source discussion platform. Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta4 on the `beta` and `tests-passed` branches, a malicious actor could get the FastImage library to redirect requests to an internal Discourse IP. This issue is patched in version 3.2.3 on the `stable` branch and version 3.3.0.beta4 on the `beta` and `tests-passed` branches. No known workarounds are available.
How severe is CVE-2024-37157?: CVE-2024-37157 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2024-37157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-37157?: CVE-2024-37157 primarily affects Discourse. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-37157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-37157 have an EU (EUVD) identifier?: Yes. CVE-2024-37157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36469.
When was CVE-2024-37157 published?: CVE-2024-37157 was published on 2024-07-03 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*
cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.3.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.3.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.3.0:beta3:*:*:beta:*:*:*

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