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Fencer Intel
critical 9.8

CVE-2021-29281 json

File upload vulnerability in GFI Mail Archiver versions up to and including 15.1 via insecure implementation of Telerik Web UI plugin which…

published 4y ago modified 4mo ago also EUVD-2021-15918

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

File upload vulnerability in GFI Mail Archiver versions up to and including 15.1 via insecure implementation of Telerik Web UI plugin which is affected by CVE-2014-2217, and CVE-2017-11317.

Patch / fix

  • gfi archiver 15.2

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Exploit prediction

2.57% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • aminbohio.com https://aminbohio.com/gfi-mail-archiver-15-1-telerik-ui-component-arbitrary-file-upload-unauthenticated-exploit/ referenced PoC, tagged "exploit" by a source, unverified
  • exploit-db.com https://www.exploit-db.com/exploits/50181 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.