How severe is CVE-2025-51543?

CVE-2025-51543 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-2025-51543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-51543?

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.

Does CVE-2025-51543 have an EU (EUVD) identifier?

Yes. CVE-2025-51543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25212.

When was CVE-2025-51543 published?

CVE-2025-51543 was published on 2025-08-19 and last updated on 2026-07-05.

CVE-2025-51543

CVE-2025-51543 is a critical-severity vulnerability 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25212
Weakness: CWE-306
Published: 2025-08-19
Last modified: 2026-07-05

Description

An issue was discovered in Cicool builder 3.4.4 allowing attackers to reset the administrator's password via the /administrator/auth/reset_password endpoint.

Frequently asked questions

What is CVE-2025-51543?: An issue was discovered in Cicool builder 3.4.4 allowing attackers to reset the administrator's password via the /administrator/auth/reset_password endpoint.
How severe is CVE-2025-51543?: CVE-2025-51543 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-2025-51543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-51543?: 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.
Does CVE-2025-51543 have an EU (EUVD) identifier?: Yes. CVE-2025-51543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25212.
When was CVE-2025-51543 published?: CVE-2025-51543 was published on 2025-08-19 and last updated on 2026-07-05.

References

https://github.com/JustDinooo/CVEs/blob/main/CVE-2025-51543/poc.md

EU advisories (EUVD)

http://cicool.com

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