What is CVE-2021-37703?

CVE-2021-37703 is a medium-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 4.3/10. Published 2021-08-13.

How severe is CVE-2021-37703?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Discourse

CVE-2021-37703

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed.

Vulnerability class: Information Disclosure

EPSS: 0.008 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Discourse — versions 2.8.0, < 2.7.8

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-2021-37703?: CVE-2021-37703 is a medium-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 4.3/10. Published 2021-08-13.
How severe is CVE-2021-37703?: Medium severity. CVSS v3 base score is 4.3 out of 10.