OpenSSH unprivileged account allows persistent SSH/Service DoS
CVE-2025-59459 Published on October 27, 2025
Denial-of-service (DoS) via resource consumption
An attacker that gains SSH access to an unprivileged account may be able to disrupt services (including SSH), causing persistent loss of availability.
Vulnerability Analysis
CVE-2025-59459 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2025-59459
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Affected Versions
SICK AG TLOC100-100:- Before <7.1.1 is affected.
- Version >=7.1.1 is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.