How severe is CVE-2009-0612?

CVE-2009-0612 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-0612 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0612?

CVE-2009-0612 primarily affects Trendmicro Interscan Web Security Suite. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0612?

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

When was CVE-2009-0612 published?

CVE-2009-0612 was published on 2009-02-17 and last updated on 2026-06-16.

CVE-2009-0612

CVE-2009-0612 is a medium-severity vulnerability in Trendmicro Interscan Web Security Suite 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Trendmicro Interscan Web Security Suite
Published: 2009-02-17
Last modified: 2026-06-16

Description

Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 3.x and InterScan Web Security Suite (IWSS) 3.x, when basic authorization is enabled on the standalone proxy, forwards the Proxy-Authorization header from Windows Media Player, which allows remote web servers to obtain credentials by offering a media stream and then capturing this header.

Frequently asked questions

What is CVE-2009-0612?: Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 3.x and InterScan Web Security Suite (IWSS) 3.x, when basic authorization is enabled on the standalone proxy, forwards the Proxy-Authorization header from Windows Media Player, which allows remote web servers to obtain credentials by offering a media stream and then capturing this header.
How severe is CVE-2009-0612?: CVE-2009-0612 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-0612 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0612?: CVE-2009-0612 primarily affects Trendmicro Interscan Web Security Suite. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0612?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0612 published?: CVE-2009-0612 was published on 2009-02-17 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:trendmicro:interscan_web_security_suite:2.5:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:interscan_web_security_suite:3.1:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:interscan_web_security_virtual_appliance:3.1:*:*:*:*:*:*:*

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