CVE-2021-3199

CVE-2021-3199
CRITICAL 9.8CISA KEV β†—Exploited per ENISA since 2026-10-08

At a glance

Source
NVD
EPSS
EPSS 30.24 % Β· percentile 98 ()
State
PUBLISHED
Published
Updated
Assigner
mitre
NVD status
Analyzed

Description

Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.

Weaknesses (CWE)

  • CWE-22 β€” Improper Limitation of a Pathname to a Restricted Directory

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD Β· nvd@nist.gov (Primary)
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD Β· 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 2.0HIGH 7.5AV:N/AC:L/Au:N/C:P/I:P/A:PNVD Β· nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
affected n/a

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD