How severe is CVE-2009-3520?

CVE-2009-3520 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2009-3520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3520?

CVE-2009-3520 affects Cmsphp Project Cmsphp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3520?

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-2009-3520 published?

CVE-2009-3520 was published on 2009-10-01 and last updated on 2026-06-16.

CVE-2009-3520

CVE-2009-3520 is a high-severity vulnerability in Cmsphp Project Cmsphp with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Cmsphp Project Cmsphp
Published: 2009-10-01
Last modified: 2026-06-16

Description

Cross-site request forgery (CSRF) vulnerability in the Your_account module in CMSphp 0.21 allows remote attackers to hijack the authentication of administrators for requests that change an administrator password via the pseudo, pwd, and uid parameters in an admin_info_user_verif action.

Frequently asked questions

What is CVE-2009-3520?: Cross-site request forgery (CSRF) vulnerability in the Your_account module in CMSphp 0.21 allows remote attackers to hijack the authentication of administrators for requests that change an administrator password via the pseudo, pwd, and uid parameters in an admin_info_user_verif action.
How severe is CVE-2009-3520?: CVE-2009-3520 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2009-3520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3520?: CVE-2009-3520 affects Cmsphp Project Cmsphp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3520?: 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-2009-3520 published?: CVE-2009-3520 was published on 2009-10-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cmsphp_project:cmsphp:0.21:*:*:*:*:*:*:*

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