CVE-2020-24327

Name: CVE-2020-24327
Creator: NVD / NIST
Published: 2021-09-23T18:15:08.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2020-24327 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Server Side Request Forgery (SSRF) vulnerability exists in Discourse 2.3.2 and 2.6 via the email function. When writing an email in an editor, you can upload pictures of remote websites.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

Server Side Request Forgery (SSRF) vulnerability exists in Discourse 2.3.2 and 2.6 via the email function. When writing an email in an editor, you can upload pictures of remote websites.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.03%

59.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Discourse	Discourse	2.3.2
Discourse	Discourse	2.6.0

References

https://github.com/discourse/discourse/pull/10509Exploit, Patch, Third Party Advisory
https://github.com/purple-WL/Discourse-sending-email-function-exist-Server-side-request-forgery-SSRF-/issues/1Exploit, Third Party Advisory
https://github.com/discourse/discourse/pull/10509Exploit, Patch, Third Party Advisory
https://github.com/purple-WL/Discourse-sending-email-function-exist-Server-side-request-forgery-SSRF-/issues/1Exploit, Third Party Advisory

Timeline

Published: Sep 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24327?

Server Side Request Forgery (SSRF) vulnerability exists in Discourse 2.3.2 and 2.6 via the email function. When writing an email in an editor, you can upload pictures of remote websites.

How severe is CVE-2020-24327?

CVE-2020-24327 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24327?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST