What is CVE-2020-11535?

CVE-2020-11535 is a critical-severity vulnerability in Onlyoffice Document_server, classified under XML Injection (Blind XPath Injection). CVSS score: 9.8/10. Published 2020-04-15.

How severe is CVE-2020-11535?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XPath Injection in Onlyoffice Document_server

CVE-2020-11535

An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit XML injection to enter an attacker-controlled parameter into the x2t binary, to rewrite this binary and/or libxcb.so.1…

EPSS: 0.023 (81.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Onlyoffice Document_server — versions 5.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-11535?: CVE-2020-11535 is a critical-severity vulnerability in Onlyoffice Document_server, classified under XML Injection (Blind XPath Injection). CVSS score: 9.8/10. Published 2020-04-15.
How severe is CVE-2020-11535?: Critical severity. CVSS v3 base score is 9.8 out of 10.