How severe is CVE-2018-16446?

CVE-2018-16446 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-16446 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16446?

CVE-2018-16446 affects Seamcms Seacms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16446?

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-2018-16446 published?

CVE-2018-16446 was published on 2018-09-04 and last updated on 2026-06-17.

CVE-2018-16446

CVE-2018-16446 is a high-severity vulnerability in Seamcms Seacms with a CVSS 3.x 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Seamcms Seacms
Published: 2018-09-04
Last modified: 2026-06-17

Description

An issue was discovered in SeaCMS through 6.61. adm1n/admin_database.php allows remote attackers to delete arbitrary files via directory traversal sequences in the bakfiles parameter. This can allow the product to be reinstalled by deleting install_lock.txt.

Frequently asked questions

What is CVE-2018-16446?: An issue was discovered in SeaCMS through 6.61. adm1n/admin_database.php allows remote attackers to delete arbitrary files via directory traversal sequences in the bakfiles parameter. This can allow the product to be reinstalled by deleting install_lock.txt.
How severe is CVE-2018-16446?: CVE-2018-16446 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-16446 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16446?: CVE-2018-16446 affects Seamcms Seacms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16446?: 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-2018-16446 published?: CVE-2018-16446 was published on 2018-09-04 and last updated on 2026-06-17.

References

https://github.com/MichaelWayneLIU/seacms/blob/master/seacms5.md

Affected products (1)

cpe:2.3:a:seamcms:seacms:*:*:*:*:*:*:*:*

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