Is CVE-2025-66507 in the CISA KEV catalog?

No. CVE-2025-66507 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-66507?

CVE-2025-66507 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-66507?

CVE-2025-66507 has an EPSS score of 0.40% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66507?

Upgrade 1panel to 2.0.14 or later.

CVE & CISA-KEV Catalog

CVE-2025-66507

HIGH

7.5

CVSS v3

NVD

Description

1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.13 and below allow an unauthenticated attacker to disable CAPTCHA verification by abusing a client-controlled parameter. Because the server previously trusted this value without proper validation, CAPTCHA protections can be bypassed, enabling automated login attempts and significantly increasing the risk of account takeover (ATO). This issue is fixed in version 2.0.14.

CWE-290 CWE-602 CWE-807

How to fix

Remediation Available

1panelNVD

Affected:< 2.0.14Fixed in:2.0.14CVE-2025-66507derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.40%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-290 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4358	Critical	9.8	97%	KEV	-
CVE-2022-24112	Critical	9.8	96%	KEV	Fix
CVE-2022-23131	Critical	9.1	96%	KEV	-
CVE-2021-29441	High	8.6	74%	-	Fix
CVE-2021-31195	Medium	6.5	74%	-	Fix
CVE-2020-7388	Critical	10.0	70%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-10.