How severe is CVE-2009-4406?

CVE-2009-4406 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4406?

CVE-2009-4406 primarily affects Apc Ap7932 B2 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4406?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4406 published?

CVE-2009-4406 was published on 2009-12-23 and last updated on 2026-06-16.

CVE-2009-4406

CVE-2009-4406 is a medium-severity vulnerability in Apc Ap7932 B2 Firmware with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apc Ap7932 B2 Firmware
Published: 2009-12-23
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Forms/login1 in American Power Conversion (APC) Switched Rack PDU AP7932 B2, running rpdu 3.3.3 or 3.7.0 on AOS 3.3.4, and possibly other versions, allows remote attackers to inject arbitrary web script or HTML via the login_username parameter.

Frequently asked questions

What is CVE-2009-4406?: Cross-site scripting (XSS) vulnerability in Forms/login1 in American Power Conversion (APC) Switched Rack PDU AP7932 B2, running rpdu 3.3.3 or 3.7.0 on AOS 3.3.4, and possibly other versions, allows remote attackers to inject arbitrary web script or HTML via the login_username parameter.
How severe is CVE-2009-4406?: CVE-2009-4406 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4406?: CVE-2009-4406 primarily affects Apc Ap7932 B2 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4406 published?: CVE-2009-4406 was published on 2009-12-23 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:apc:ap7932_b2_firmware:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:apc:ap7932_b2_firmware:3.7.0:*:*:*:*:*:*:*
cpe:2.3:h:apc:ap7932_b2:*:*:*:*:*:*:*:*

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