CVE-2020-22781
HIGHCVSS 7.5/10EPSS 1.11%
Last modified
CVE-2020-22781 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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).. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Etherpad | Etherpad | < 1.8.3 |
References
- https://github.com/ether/etherpad-lite/issues/3502Exploit, Issue Tracking, Third Party Advisory
- https://github.com/ether/etherpad-lite/issues/3502Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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).
How severe is CVE-2020-22781?
CVE-2020-22781 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2020-22781?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-22781?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST