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Fencer Intel
critical 9.0

CVE-2009-4644 json

Accellion Secure File Transfer Appliance before 8_0_105 allows remote authenticated administrators to bypass the restricted shell and execu…

published 16y ago modified 4mo ago also EUVD-2009-4609

cvss
9.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Accellion Secure File Transfer Appliance before 8_0_105 allows remote authenticated administrators to bypass the restricted shell and execute arbitrary commands via shell metacharacters to the ping command, as demonstrated by modifying the cli program.

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Exploit prediction

2.41% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/bid/38176 referenced PoC, tagged "exploit" by a source, unverified
  • portcullis-security.com http://www.portcullis-security.com/338.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.