How severe is CVE-2009-4648?

CVE-2009-4648 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2009-4648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4648?

CVE-2009-4648 primarily affects Accellion Secure File Transfer Appliance. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4648?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-4648 published?

CVE-2009-4648 was published on 2010-02-19 and last updated on 2026-06-16.

CVE-2009-4648

CVE-2009-4648 is a high-severity vulnerability in Accellion Secure File Transfer Appliance with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Accellion Secure File Transfer Appliance
Published: 2010-02-19
Last modified: 2026-06-16

Description

Accellion Secure File Transfer Appliance before 8_0_105 does not properly restrict access to sensitive commands and arguments that run with extra sudo privileges, which allows local administrators to gain privileges via (1) arbitrary arguments in the --file_move action in /usr/local/bin/admin.pl, or a hard link attack in (2) chmod or (3) a certain cp command.

Frequently asked questions

What is CVE-2009-4648?: Accellion Secure File Transfer Appliance before 8_0_105 does not properly restrict access to sensitive commands and arguments that run with extra sudo privileges, which allows local administrators to gain privileges via (1) arbitrary arguments in the --file_move action in /usr/local/bin/admin.pl, or a hard link attack in (2) chmod or (3) a certain cp command.
How severe is CVE-2009-4648?: CVE-2009-4648 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2009-4648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4648?: CVE-2009-4648 primarily affects Accellion Secure File Transfer Appliance. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4648?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-4648 published?: CVE-2009-4648 was published on 2010-02-19 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_135:*:*:*:*:*:*:*
cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_178:*:*:*:*:*:*:*
cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_189:*:*:*:*:*:*:*
cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_259:*:*:*:*:*:*:*
cpe:2.3:h:accellion:secure_file_transfer_appliance:7_0_296:*:*:*:*:*:*:*

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