How severe is CVE-2018-17036?

CVE-2018-17036 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17036?

CVE-2018-17036 primarily affects Ucms Project Ucms. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-17036?

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-2018-17036 published?

CVE-2018-17036 was published on 2018-09-14 and last updated on 2026-06-17.

CVE-2018-17036

CVE-2018-17036 is a critical-severity vulnerability in Ucms Project Ucms with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Ucms Project Ucms
Published: 2018-09-14
Last modified: 2026-06-17

Description

An issue was discovered in UCMS 1.4.6 and 1.6. It allows PHP code injection during installation via the systemdomain parameter to install/index.php, as demonstrated by injecting a phpinfo() call into /inc/config.php.

Frequently asked questions

What is CVE-2018-17036?: An issue was discovered in UCMS 1.4.6 and 1.6. It allows PHP code injection during installation via the systemdomain parameter to install/index.php, as demonstrated by injecting a phpinfo() call into /inc/config.php.
How severe is CVE-2018-17036?: CVE-2018-17036 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17036?: CVE-2018-17036 primarily affects Ucms Project Ucms. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-17036?: 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-2018-17036 published?: CVE-2018-17036 was published on 2018-09-14 and last updated on 2026-06-17.

References

https://github.com/blackstar24/UCMS/blob/master/phpinfo.md

Affected products (2)

cpe:2.3:a:ucms_project:ucms:1.4.6:*:*:*:*:*:*:*
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.
CVE-2020-25537 — Critical (CVSS 9.8): File upload vulnerability exists in UCMS 1.5.0, and the attacker can take advantage of this vulnerability to obtain…
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CVE-2022-28443 — Critical (CVSS 9.1): UCMS v1.6 was discovered to contain an arbitrary file deletion vulnerability.

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