CVE-2009-4644

Exp

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.

Published: 2010-02-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4644 is rated High Exploit Risk (81.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.41%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.97% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-4644

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4644

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.45% 2.41% +1.97%
2 2025-03-30 0.30% 0.45% +0.14%
3 2025-03-29 — 0.30% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4644

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2009-4644

Affected software / configurations for CVE-2009-4644

Vendor Product Version Raw CPE
accellion secure_file_transfer_appliance 7_0_135 cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_135:*:*:*:*:*:*:*
accellion secure_file_transfer_appliance 7_0_178 cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_178:*:*:*:*:*:*:*
accellion secure_file_transfer_appliance 7_0_189 cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_189:*:*:*:*:*:*:*
accellion secure_file_transfer_appliance 7_0_259 cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_259:*:*:*:*:*:*:*
accellion secure_file_transfer_appliance 7_0_296 cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_296:*:*:*:*:*:*:*

References for CVE-2009-4644

cvelogic Threat Intelligence