What is CVE-2020-27508?

CVE-2020-27508 is a high-severity vulnerability in Frappe. CVSS score: 7.5/10. Published 2020-12-11.

How severe is CVE-2020-27508?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Frappe

CVE-2020-27508

In two-factor authentication, the system also sending 2fa secret key in response, which enables an intruder to breach the 2fa security.

Published 2020-12-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (70.4th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000

Affected products

Frappe

References

github.com/frappe/frappe/pull/11263 (Patch, Third Party Advisory)
github.com/frappe/frappe/pull/11262 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27508?: CVE-2020-27508 is a high-severity vulnerability in Frappe. CVSS score: 7.5/10. Published 2020-12-11.
How severe is CVE-2020-27508?: High severity. CVSS v3 base score is 7.5 out of 10.