CVE-2021-43448
5.3 · MEDIUMOverview
CVE-2021-43448 is a medium-severity vulnerability affecting onlyoffice server. It was published on January 23, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Improper Input Validation. A lack of input validation can allow an attacker to spoof the names of users who interact with a document, if the document id is known.
Remediation
Check the references section for vendor advisories and patches from onlyoffice. Update server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| onlyoffice | server | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-43448?
CVE-2021-43448 is a medium-severity vulnerability affecting onlyoffice server. It was published on January 23, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2021-43448?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-43448?
Check the references section for vendor advisories and patches from onlyoffice. Update server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-43448?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43448 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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