How severe is CVE-2024-28405?

CVE-2024-28405 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-28405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28405?

CVE-2024-28405 affects Sem-cms Semcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-28405?

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.

Does CVE-2024-28405 have an EU (EUVD) identifier?

Yes. CVE-2024-28405 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25502.

When was CVE-2024-28405 published?

CVE-2024-28405 was published on 2024-03-29 and last updated on 2026-06-17.

CVE-2024-28405

CVE-2024-28405 is a high-severity vulnerability in Sem-cms Semcms with a CVSS 3.x base score of 7.2. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25502
Weakness: CWE-284
Affected product: Sem-cms Semcms
Published: 2024-03-29
Last modified: 2026-06-17

Description

SEMCMS 4.8 is vulnerable to Incorrect Access Control. The code installs SEMCMS_Funtion.php before checking if the admin is a valid user in the admin page because authentication function is called from there, users gain admin privileges.

Frequently asked questions

What is CVE-2024-28405?: SEMCMS 4.8 is vulnerable to Incorrect Access Control. The code installs SEMCMS_Funtion.php before checking if the admin is a valid user in the admin page because authentication function is called from there, users gain admin privileges.
How severe is CVE-2024-28405?: CVE-2024-28405 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-28405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28405?: CVE-2024-28405 affects Sem-cms Semcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-28405?: 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.
Does CVE-2024-28405 have an EU (EUVD) identifier?: Yes. CVE-2024-28405 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25502.
When was CVE-2024-28405 published?: CVE-2024-28405 was published on 2024-03-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sem-cms:semcms:4.8:*:*:*:*:*:*:*

More vulnerabilities in Sem-cms Semcms

CVE-2025-25686 — Critical (CVSS 9.8): semcms <=5.0 is vulnerable to SQL Injection in SEMCMS_Fuction.php.
CVE-2024-46103 — Critical (CVSS 9.8): SEMCMS 4.8 is vulnerable to SQL Injection via SEMCMS_Main.php.
CVE-2024-30938 — Critical (CVSS 9.8): SQL Injection vulnerability in SEMCMS v.4.8 allows a remote attacker to obtain sensitive information via the ID…
CVE-2024-31012 — Critical (CVSS 9.8): An issue was discovered in SEMCMS v.4.8, allows remote attackers to execute arbitrary code, escalate privileges, and…
CVE-2024-25422 — Critical (CVSS 9.8): SQL Injection vulnerability in SEMCMS v.4.8 allows a remote attacker to execute arbitrary code and obtain sensitive…
CVE-2023-50563 — Critical (CVSS 9.8): Semcms v4.8 was discovered to contain a SQL injection vulnerability via the AID parameter at SEMCMS_Function.php.

All CVEs affecting Sem-cms Semcms →

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