Buffer overflow in Onlyoffice Document Server
CVE-2023-30187
An out of bounds memory access vulnerability in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted JavaScript file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ONLYOFFICE/DocumentServer (Product)
- af854a3a-2127-422b-91ae-364da2661108 (Product)
- github.com/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/Deskto… (Product)
- github.com/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/Deskto… (Not Applicable)
- github.com/ONLYOFFICE/core/commit/2b6ad83b36afd9845085b536969d366d1d61150a (Patch, Vendor Advisory)
- gist.github.com/merrychap/25eba8c4dd97c9e545edad1b8f0eadc2 (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-30187?
- CVE-2023-30187 is a critical-severity vulnerability in Onlyoffice Document Server, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-14.
- How severe is CVE-2023-30187?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-30187 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.