CVE-2021-34816
CVSS v3
7.2
HIGH
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users to execute arbitrary code on the server by installing plugins from an attacker-controlled source.
Technical details
- Published
- 2021-07-21
Frequently asked questions
What is CVE-2021-34816?
An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users to execute arbitrary code on the server by installing plugins from an attacker-controlled source.
Is CVE-2021-34816 actively exploited?
Active exploitation of CVE-2021-34816 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-34816?
CVE-2021-34816 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2021-34816 affecting your environment?
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