How severe is CVE-2018-16703?

CVE-2018-16703 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-16703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16703?

CVE-2018-16703 affects Gleeztech Gleez Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16703?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-16703 published?

CVE-2018-16703 was published on 2018-09-07 and last updated on 2026-06-17.

CVE-2018-16703

CVE-2018-16703 is a medium-severity vulnerability in Gleeztech Gleez Cms with a CVSS 3.x base score of 5.3. 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-307.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Gleeztech Gleez Cms
Published: 2018-09-07
Last modified: 2026-06-17

Description

A vulnerability in the Gleez CMS 1.2.0 login page could allow an unauthenticated, remote attacker to perform multiple user enumerations, which can further help an attacker to perform login attempts in excess of the configured login attempt limit. The vulnerability is due to insufficient server-side access control and login attempt limit enforcement. An attacker could exploit this vulnerability by sending modified login attempts to the Portal login page. An exploit could allow the attacker to identify existing users and perform brute-force password attacks on the Portal, as demonstrated by navigating to the user/4 URI.

Frequently asked questions

What is CVE-2018-16703?: A vulnerability in the Gleez CMS 1.2.0 login page could allow an unauthenticated, remote attacker to perform multiple user enumerations, which can further help an attacker to perform login attempts in excess of the configured login attempt limit. The vulnerability is due to insufficient server-side access control and login attempt limit enforcement. An attacker could exploit this vulnerability by sending modified login attempts to the Portal login page. An exploit could allow the attacker to identify existing users and perform brute-force password attacks on the Portal, as demonstrated by navigating to the user/4 URI.
How severe is CVE-2018-16703?: CVE-2018-16703 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-16703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16703?: CVE-2018-16703 affects Gleeztech Gleez Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16703 published?: CVE-2018-16703 was published on 2018-09-07 and last updated on 2026-06-17.

References

https://github.com/gleez/cms/issues/802

Affected products (1)

cpe:2.3:a:gleeztech:gleez_cms:1.2.0:*:*:*:*:*:*:*

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