CVE-2021-25829

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.

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS

7.45% chance of exploitation in the next 30 days, 94th percentile

Published

2021-03-01

Updated

2024-08-03

Proof-of-concept exploits (1)

• merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-2582935★ · 2023-01-04

Security advisories

• ONLYOFFICE/core
• ONLYOFFICE/DocumentServer

References

• CVE Record
• NVD entry

Related

• CVE-2020-13898
• CVE-2020-13899
• CVE-2020-13900
• CVE-2020-13901
• CVE-2021-25830
• CVE-2021-25831