CVE-2021-25829
HighPublic PoC
Published: 01 March 2021
Published
01 March 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0379
88.3th percentile
Risk Priority
17
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-25829 is a high-severity an unspecified weakness vulnerability in Onlyoffice Document Server. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 11.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-12712
Vulnerability details
An improper binary stream data handling issue was found in the [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. Using this bug, an attacker is able to produce a denial of service attack that can eventually shut down the target server.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
onlyoffice
document server
4.0.0-9 — 5.6.3
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.