by Kastro
Paper/Archive/CVE-2021-43445

CVE-2021-43445

mitre — ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control.

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 77.3.773 × 2015.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with the web socket service of the ONLYOFFICE document editor which is protected by JWT auth by using a default JWT signing key.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/ONLYOFFICE/serverrefonlyoffice.comreflabs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution