CVE-2021-43449
HIGHCVSS 8.1/10EPSS 1.25%
Last modified
CVE-2021-43449 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.
Description
ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Onlyoffice | Server | <= 7.0.0.49 |
References
- https://github.com/ONLYOFFICE/serverThird Party Advisory
- https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/Exploit, Mitigation, Third Party Advisory
- https://www.onlyoffice.com/Product, Vendor Advisory
- https://github.com/ONLYOFFICE/serverThird Party Advisory
- https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/Exploit, Mitigation, Third Party Advisory
- https://www.onlyoffice.com/Product, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43449?
ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.
How severe is CVE-2021-43449?
CVE-2021-43449 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43449?
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.
How Strix Helps
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Are you affected by CVE-2021-43449?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST