How severe is CVE-2025-15135?

CVE-2025-15135 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-15135 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-15135?

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

Does CVE-2025-15135 have an EU (EUVD) identifier?

Yes. CVE-2025-15135 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205508.

When was CVE-2025-15135 published?

CVE-2025-15135 was published on 2025-12-28 and last updated on 2026-06-17.

CVE-2025-15135

CVE-2025-15135 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205508
Weakness: CWE-287
Published: 2025-12-28
Last modified: 2026-06-17

Description

A weakness has been identified in joey-zhou xiaozhi-esp32-server-java up to 3.0.0. This impacts the function tryAuthenticateWithCookies of the file AuthenticationInterceptor.java of the component Cookie Handler. Executing manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been made available to the public and could be exploited. Upgrading to version 4.0.0 will fix this issue. It is recommended to upgrade the affected component.

Frequently asked questions

What is CVE-2025-15135?: A weakness has been identified in joey-zhou xiaozhi-esp32-server-java up to 3.0.0. This impacts the function tryAuthenticateWithCookies of the file AuthenticationInterceptor.java of the component Cookie Handler. Executing manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been made available to the public and could be exploited. Upgrading to version 4.0.0 will fix this issue. It is recommended to upgrade the affected component.
How severe is CVE-2025-15135?: CVE-2025-15135 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-15135 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-15135?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-15135 have an EU (EUVD) identifier?: Yes. CVE-2025-15135 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205508.
When was CVE-2025-15135 published?: CVE-2025-15135 was published on 2025-12-28 and last updated on 2026-06-17.

References

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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