What is CVE-2021-37693?

CVE-2021-37693 is a medium-severity vulnerability in Discourse, classified under Insufficient Session Expiration. CVSS score: 5.3/10. Published 2021-08-13.

How severe is CVE-2021-37693?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Discourse

CVE-2021-37693

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email address does not invalidate an unused token which can then be used in other contexts, including reseting a password.

EPSS: 0.008 (53.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Discourse — versions 2.8.0, < 2.7.8

Weakness classification (CWE)

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-2021-37693?: CVE-2021-37693 is a medium-severity vulnerability in Discourse, classified under Insufficient Session Expiration. CVSS score: 5.3/10. Published 2021-08-13.
How severe is CVE-2021-37693?: Medium severity. CVSS v3 base score is 5.3 out of 10.