CVE-2021-25831

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Source
https://cve.org/CVERecord?id=CVE-2021-25831
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25831.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-25831
Published
2021-03-01T16:15:14Z
Modified
2026-10-20T10:54:33Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.

References

Affected packages

Git / github.com/onlyoffice/documentserver

Affected ranges

Type
GIT
Repo
https://github.com/onlyoffice/documentserver
Events
Introduced
1e2a61f6f4321e2571474068595dfe23a657cbdf
Last Affected
0187bea803abdd2b2b6ad8168272d77e27739add
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "4.0.0-9"
                },
                {
                    "last_affected":  "5.6.3"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

Affected versions

ONLYOFFICE-DocumentServer-4.*
ONLYOFFICE-DocumentServer-4.0.0-9
ONLYOFFICE-DocumentServer-4.0.1-34
ONLYOFFICE-DocumentServer-4.0.2-4
ONLYOFFICE-DocumentServer-4.0.3-3
ONLYOFFICE-DocumentServer-4.1.2-37
ONLYOFFICE-DocumentServer-4.1.4-3
ONLYOFFICE-DocumentServer-4.1.5-1
ONLYOFFICE-DocumentServer-4.1.6-3
ONLYOFFICE-DocumentServer-4.1.8-1
ONLYOFFICE-DocumentServer-4.2.0
ONLYOFFICE-DocumentServer-4.2.1
ONLYOFFICE-DocumentServer-4.2.10
ONLYOFFICE-DocumentServer-4.2.11
ONLYOFFICE-DocumentServer-4.2.3
ONLYOFFICE-DocumentServer-4.2.4
ONLYOFFICE-DocumentServer-4.2.5
ONLYOFFICE-DocumentServer-4.2.7
ONLYOFFICE-DocumentServer-4.2.8
ONLYOFFICE-DocumentServer-4.2.9
ONLYOFFICE-DocumentServer-4.3.0
ONLYOFFICE-DocumentServer-4.3.1
ONLYOFFICE-DocumentServer-4.3.2
ONLYOFFICE-DocumentServer-4.3.3
ONLYOFFICE-DocumentServer-4.3.4
ONLYOFFICE-DocumentServer-4.3.5
ONLYOFFICE-DocumentServer-4.3.6
ONLYOFFICE-DocumentServer-4.4.1
ONLYOFFICE-DocumentServer-4.4.2
ONLYOFFICE-DocumentServer-4.4.3
ONLYOFFICE-DocumentServer-5.*
ONLYOFFICE-DocumentServer-5.0.3
ONLYOFFICE-DocumentServer-5.0.4
ONLYOFFICE-DocumentServer-5.0.5
ONLYOFFICE-DocumentServer-5.0.6
ONLYOFFICE-DocumentServer-5.0.7
ONLYOFFICE-DocumentServer-5.1.0
ONLYOFFICE-DocumentServer-5.1.1
ONLYOFFICE-DocumentServer-5.1.2
ONLYOFFICE-DocumentServer-5.1.3
ONLYOFFICE-DocumentServer-5.1.4
ONLYOFFICE-DocumentServer-5.1.5
ONLYOFFICE-DocumentServer-5.2.0
ONLYOFFICE-DocumentServer-5.2.2
ONLYOFFICE-DocumentServer-5.2.3
ONLYOFFICE-DocumentServer-5.2.4
ONLYOFFICE-DocumentServer-5.2.6
ONLYOFFICE-DocumentServer-5.2.7
ONLYOFFICE-DocumentServer-5.2.8
ONLYOFFICE-DocumentServer-5.3.0
ONLYOFFICE-DocumentServer-5.3.1
ONLYOFFICE-DocumentServer-5.3.2
ONLYOFFICE-DocumentServer-5.3.4
ONLYOFFICE-DocumentServer-5.4.0-2
ONLYOFFICE-DocumentServer-5.4.1
ONLYOFFICE-DocumentServer-5.4.2
ONLYOFFICE-DocumentServer-5.5.0
ONLYOFFICE-DocumentServer-5.5.1
ONLYOFFICE-DocumentServer-5.5.3
ONLYOFFICE-DocumentServer-5.6.0
ONLYOFFICE-DocumentServer-5.6.1
ONLYOFFICE-DocumentServer-5.6.2
ONLYOFFICE-DocumentServer-5.6.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25831.json"