CVE-2020-11535
CRITICALEPSS 82th pctlDescription
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, and execute code on a victim's server.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 82% of all known CVEs.
References
Related Vulnerabilities
Other CWE-91 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2020-0646 | Critical | 9.8 | 99% | KEV | - |
| CVE-2023-27253 | High | 8.8 | 90% | - | - |
| CVE-2023-46214 | High | 8.0 | 89% | - | Fix |
| CVE-2024-53675 | High | 7.3 | 84% | - | Fix |
| CVE-2024-53674 | High | 7.3 | 47% | - | Fix |
| CVE-2023-43187 | Critical | 9.8 | 45% | - | Fix |
Common questions
How do I fix CVE-2020-11535?
No published fix for CVE-2020-11535 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2020-11535 being actively exploited?
Not that we know of. CVE-2020-11535 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 82% of all scored CVEs.
How severe is CVE-2020-11535?
CVE-2020-11535 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.