CVE-2009-3094

Http Server vulnerability

CVSS

2.6

EPSS

8.6%

EPSS pct

95th

Exploited

No known

The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.

Affected vendor

Apache

Affected product

Http Server

CVSS vector

AV:N/AC:H/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-476 — NULL Pointer Dereference

Published

2009-09-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 8.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2009-3094

Confirm whether Apache Http Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-3094.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3094

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3094 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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