What is CVE-2020-22783?

CVE-2020-22783 is a medium-severity vulnerability in Etherpad, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2021-04-28.

How severe is CVE-2020-22783?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Etherpad

CVE-2020-22783

Etherpad <1.8.3 stored passwords used by users insecurely in the database and in log files. This affects every database backend supported by Etherpad.

Published 2021-04-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Etherpad

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

github.com/ether/etherpad-lite/commit/53f126082a8b3d094e48b159f0f0bc8a5db4b2f4 (Patch, Third Party Advisory)
github.com/ether/etherpad-lite/issues/3421 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-22783?: CVE-2020-22783 is a medium-severity vulnerability in Etherpad, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2021-04-28.
How severe is CVE-2020-22783?: Medium severity. CVSS v3 base score is 6.5 out of 10.