How severe is CVE-2022-28443?

CVE-2022-28443 has a CVSS 3.x base score of 9.1, rated critical 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 high.

Is CVE-2022-28443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28443?

CVE-2022-28443 affects Ucms Project Ucms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28443?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-28443 published?

CVE-2022-28443 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2022-28443

CVE-2022-28443 is a critical-severity vulnerability in Ucms Project Ucms with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ucms Project Ucms
Published: 2022-04-21
Last modified: 2026-06-17

Description

UCMS v1.6 was discovered to contain an arbitrary file deletion vulnerability.

Frequently asked questions

What is CVE-2022-28443?: UCMS v1.6 was discovered to contain an arbitrary file deletion vulnerability.
How severe is CVE-2022-28443?: CVE-2022-28443 has a CVSS 3.x base score of 9.1, rated critical 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 high.
Is CVE-2022-28443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28443?: CVE-2022-28443 affects Ucms Project Ucms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-28443 published?: CVE-2022-28443 was published on 2022-04-21 and last updated on 2026-06-17.

References

https://github.com/k0xx11

Affected products (1)

cpe:2.3:a:ucms_project:ucms:1.6:*:*:*:*:*:*:*

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CVE-2022-35426 — Critical (CVSS 9.8): UCMS 1.6 is vulnerable to arbitrary file upload via ucms/sadmin/file PHP file.
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CVE-2018-17036 — Critical (CVSS 9.8): An issue was discovered in UCMS 1.4.6 and 1.6. It allows PHP code injection during installation via the systemdomain…
CVE-2018-17035 — Critical (CVSS 9.8): UCMS 1.4.6 has SQL injection during installation via the install/index.php mysql_dbname parameter.

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