Etherpad < 1.8.3 is affected by a missing lock check which could cause a denial of…
Priority LOW 35CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.
Summary
Etherpad < 1.8.3 is affected by a missing lock check which could cause a denial of service. Aggressively targeting random pad import endpoints with empty data would flatten all pads due to lack of rate limiting and missing ownership check.
Why it matters now
EPSS 0.01071 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-22785
- 2026-10-03 Alias added: GHSA-7wwq-q495-rfg3
References
More Etherpad vulnerabilities
- TI-2021-19608 Admin privilege escalation and arbitrary code execution via malicious *.etherpad imports CVSS 3.1CRITICAL 9.9
- TI-2018-06747 Etherpad 1.6.3 before 1.6.4 allows an attacker to execute arbitrary code. CVSS 3.0CRITICAL 9.8
- TI-2018-04991 node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which… CVSS 3.0CRITICAL 9.8
- TI-2015-02917 Directory traversal vulnerability in node/utils/Minify.js in Etherpad 1.1.1 through 1.5.2… CVSS 3.0HIGH 7.5
- TI-2018-06748 Etherpad 1.5.x and 1.6.x before 1.6.4 allows an attacker to execute arbitrary code on the… CVSS 3.0HIGH 8.1
- TI-2015-03442 Directory traversal vulnerability in node/hooks/express/tests.js in Etherpad frontend tests before 1.6.1. CVSS 3.0HIGH 7.5
Sources
- CVE-2020-22785 · CVE Program
- CVE-2020-22785 · NVD
- FIRST EPSS
- GHSA-7wwq-q495-rfg3 · GitHub Advisory Database · CC BY 4.0
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