How severe is CVE-2009-3753?

CVE-2009-3753 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-3753 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3753?

CVE-2009-3753 affects Opial. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3753?

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-2009-3753 published?

CVE-2009-3753 was published on 2009-10-22 and last updated on 2026-06-16.

CVE-2009-3753

CVE-2009-3753 is a high-severity vulnerability in Opial with a CVSS 2.0 base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Opial
Published: 2009-10-22
Last modified: 2026-06-16

Description

Unrestricted file upload vulnerability in Opial 1.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension as a User Image, then accessing it via a request to the file in userimages, related to register.php.

Frequently asked questions

What is CVE-2009-3753?: Unrestricted file upload vulnerability in Opial 1.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension as a User Image, then accessing it via a request to the file in userimages, related to register.php.
How severe is CVE-2009-3753?: CVE-2009-3753 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-3753 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3753?: CVE-2009-3753 affects Opial. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3753?: 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-2009-3753 published?: CVE-2009-3753 was published on 2009-10-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opial:opial:1.0:*:*:*:*:*:*:*

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