CVE-2009-4644
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C
- EPSS
- 2.41% probability · 84th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- accellion/secure file transfer appliance
- Source
- cve@mitre.org
EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.portcullis-security.com/338.phpExploit
- http://www.securityfocus.com/bid/38176Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56248
- http://www.portcullis-security.com/338.phpExploit
- http://www.securityfocus.com/bid/38176Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56248
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.