CVE-2025-53968

High

Published: 22 January 2026

Published

22 January 2026

Modified

02 February 2026

KEV Added

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Patch

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CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score 0.0010 27.4th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-53968 is a high-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Evmapa Evmapa. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Brute Force (T1110); ranked at the 27.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Brute Force (T1110) and 1 other technique.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-7 Unsuccessful Logon Attempts

addresses: CWE-307

This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.

IA-10 Adaptive Authentication

addresses: CWE-307

Specific conditions can include excessive failed attempts, triggering stronger authentication that restricts brute-force exploitation.

MITRE ATT&CK Enterprise TechniquesAI

T1110 Brute Force Credential Access

Adversaries may use brute force techniques to gain access to accounts when passwords are unknown or when password hashes are obtained.

attack.mitre.org →

T1499.004 Application or System Exploitation Impact

Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.

attack.mitre.org →

Why these techniques?

Lack of rate limiting directly enables unlimited authentication attempts for brute force (T1110) and application-layer DoS via exploitation (T1499.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

This vulnerability arises because there are no limitations on the number of authentication attempts a user can make. An attacker can exploit this weakness by continuously sending authentication requests, leading to a denial-of-service (DoS) condition. This can overwhelm the authentication…

system, rendering it unavailable to legitimate users and potentially causing service disruption. This can also allow attackers to conduct brute-force attacks to gain unauthorized access.

Deeper analysisAI

CVE-2025-53968, published on 2026-01-22, is a high-severity vulnerability (CVSS 7.5; AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) classified under CWE-307: Improper Restriction of Excessive Authentication Attempts. It affects authentication systems that impose no limitations on the number of authentication attempts a user can make, as detailed in CISA's ICS advisory ICSA-26-022-08.

Remote unauthenticated attackers can exploit this vulnerability by continuously sending authentication requests, triggering a denial-of-service (DoS) condition that overwhelms the authentication system and renders it unavailable to legitimate users, potentially causing broader service disruptions. The lack of rate limiting also enables brute-force attacks aimed at gaining unauthorized access.

For mitigation guidance, refer to the official advisories: CISA ICSA-26-022-08 at https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-08 and the corresponding CSAF JSON document at https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-022-08.json.