CVE-2020-22781

7.5 highEPSS 1.1%

High (7.5) in etherpad etherpad. EPSS 1.1% chance of exploitation in the next 30 days.

In Etherpad < 1.8.3, a specially crafted URI would raise an unhandled exception in the cache mechanism and cause a denial of service (crash the instance).

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2021-04-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

etherpad:etherpad

References

https://github.com/ether/etherpad-lite/issues/3502
https://github.com/ether/etherpad-lite/issues/3502

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