How severe is CVE-2008-4501?

CVE-2008-4501 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2008-4501 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4501?

CVE-2008-4501 primarily affects Solarwinds Serv-u File Server. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4501?

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

When was CVE-2008-4501 published?

CVE-2008-4501 was published on 2008-10-09 and last updated on 2026-06-16.

CVE-2008-4501

CVE-2008-4501 is a critical-severity vulnerability in Solarwinds Serv-u File Server with a CVSS 2.0 base score of 9.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Solarwinds Serv-u File Server
Published: 2008-10-09
Last modified: 2026-06-16

Description

Directory traversal vulnerability in the FTP server in Serv-U 7.0.0.1 through 7.3, including 7.2.0.1, allows remote authenticated users to overwrite or create arbitrary files via a ..\ (dot dot backslash) in the RNTO command.

Frequently asked questions

What is CVE-2008-4501?: Directory traversal vulnerability in the FTP server in Serv-U 7.0.0.1 through 7.3, including 7.2.0.1, allows remote authenticated users to overwrite or create arbitrary files via a ..\ (dot dot backslash) in the RNTO command.
How severe is CVE-2008-4501?: CVE-2008-4501 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2008-4501 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4501?: CVE-2008-4501 primarily affects Solarwinds Serv-u File Server. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4501?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-4501 published?: CVE-2008-4501 was published on 2008-10-09 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:serv-u_file_server:7.3.0.2:*:*:*:*:*:*:*

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CVE-2004-2111 — High (CVSS 8.5): Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to…
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