CVE-2020-22781
CVSS v3
7.5
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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).
Technical details
- Published
- 2021-04-28
Frequently asked questions
What is CVE-2020-22781?
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).
Is CVE-2020-22781 actively exploited?
Active exploitation of CVE-2020-22781 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-22781?
CVE-2020-22781 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-22781 affecting your environment?
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