How severe is CVE-2023-36100?

CVE-2023-36100 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-2023-36100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36100?

CVE-2023-36100 affects Macwk Icecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36100?

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-2023-36100 published?

CVE-2023-36100 was published on 2023-09-01 and last updated on 2026-06-17.

CVE-2023-36100

CVE-2023-36100 is a critical-severity vulnerability in Macwk Icecms 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-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Macwk Icecms
Published: 2023-09-01
Last modified: 2026-06-17

Description

An issue was discovered in IceCMS version 2.0.1, allows attackers to escalate privileges and gain sensitive information via UserID parameter in api/User/ChangeUser.

Frequently asked questions

What is CVE-2023-36100?: An issue was discovered in IceCMS version 2.0.1, allows attackers to escalate privileges and gain sensitive information via UserID parameter in api/User/ChangeUser.
How severe is CVE-2023-36100?: CVE-2023-36100 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-2023-36100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36100?: CVE-2023-36100 affects Macwk Icecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36100?: 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-2023-36100 published?: CVE-2023-36100 was published on 2023-09-01 and last updated on 2026-06-17.

References

https://github.com/Thecosy/IceCMS/issues/15

Affected products (1)

cpe:2.3:a:macwk:icecms:2.0.1:*:*:*:*:*:*:*

More vulnerabilities in Macwk Icecms

CVE-2023-42188 — Medium (CVSS 6.5): IceCMS v2.0.1 is vulnerable to Cross Site Request Forgery (CSRF).

All CVEs affecting Macwk Icecms →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →