Heap Buffer Overflow in ONLYOFFICE DocumentServer from ONLYOFFICE
CVE-2021-25832

9.8CRITICAL

Key Information:

Vendor

Onlyoffice

Status
Document Server
Vendor
CVE Published:
1 March 2021

What is CVE-2021-25832?

A heap buffer overflow vulnerability has been identified in the BMP image processing functionality within the core module of ONLYOFFICE DocumentServer. This flaw allows attackers to exploit the system and potentially execute arbitrary code remotely. Careful patching and updates of the affected versions are essential to mitigating the risk associated with this vulnerability.

References

https://github.com/ONLYOFFICE/DocumentServer
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https://github.com/ONLYOFFICE/core
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https://github.com/ONLYOFFICE/core/blob/v6.0.1.15/Desktop...
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EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2021-25832 : Heap Buffer Overflow in ONLYOFFICE DocumentServer from ONLYOFFICE