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CVE-2020-11534

CRITICALCVSS 9.8/10EPSS 2.24%

Last modified

CVE-2020-11534 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.. EPSS estimates a 2.24% chance of exploitation in the next 30 days.

Description

An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.24%

80.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OnlyofficeDocument Server5.5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-11534?
An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.
How severe is CVE-2020-11534?
CVE-2020-11534 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.24% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11534?
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-2020-11534?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST