What is CVE-2021-41271?

CVE-2021-41271 is a medium-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 4.8/10. Published 2021-11-15.

How severe is CVE-2021-41271?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Information disclosure in Discourse

CVE-2021-41271

Discourse is a platform for community discussion. In affected versions a maliciously crafted request could cause an error response to be cached by intermediate proxies. This could cause a loss of confidentiality for some content. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

Vulnerability class: Information Disclosure

EPSS: 0.009 (57.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Discourse — versions >= 2.8.0, < 2.8.0.beta8, 2.8.0, < 2.7.10

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41271?: CVE-2021-41271 is a medium-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 4.8/10. Published 2021-11-15.
How severe is CVE-2021-41271?: Medium severity. CVSS v3 base score is 4.8 out of 10.