CVE-2022-29776
CVE-2022-29776 is a critical-severity vulnerability in Onlyoffice Core with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 7% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Onlyoffice Core
- Published:
- Last modified:
Description
Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a stack overflow via the component DesktopEditor/common/File.cpp.
Frequently asked questions
- What is CVE-2022-29776?
- Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a stack overflow via the component DesktopEditor/common/File.cpp.
- How severe is CVE-2022-29776?
- CVE-2022-29776 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-29776 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-29776?
- CVE-2022-29776 primarily affects Onlyoffice Core. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-29776?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-29776 published?
- CVE-2022-29776 was published on 2022-06-02 and last updated on 2026-06-17.
References
- https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#601
- https://github.com/ONLYOFFICE/core/commit/88cf60a3ed4a2b40d71a1c2ced72fa3902a30967
- https://github.com/moehw/poc_exploits/tree/master/CVE-2022-29776
Affected products (2)
- cpe:2.3:a:onlyoffice:core:*:*:*:*:*:*:*:*
- cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*
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- CVE-2022-29777 — Critical (CVSS 9.8): Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a heap overflow via…
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