CVE-2000-0525: Critical – OpenSSH does not properly drop privileges when the UseLogin option is

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2000. A critical vulnerability affects Openbsd systems (CVE-2000-0525). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2000-GLOBAL-308824-C • Model: rule-based-v1 • Confidence: MEDIUM

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →

Frequently Asked Questions

What is CVE-2000-0525?

This vulnerability was disclosed in 2000. A critical vulnerability affects Openbsd systems (CVE-2000-0525). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

What is the CVSS score for CVE-2000-0525?

CVE-2000-0525 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 2.6%.

Is CVE-2000-0525 actively exploited?

No confirmed active exploitation of CVE-2000-0525 as of 2026-09-25.

How do I remediate CVE-2000-0525?

Priority: MEDIUM.

What systems are affected by CVE-2000-0525?

CVE-2000-0525 affects Openbsd Openssh.

Vulnerability Details

CVE ID	`CVE-2000-0525`
BSID	`BS-2000-GLOBAL-308824-C` BreachSpider Global ID
CVSS Vector	`AV:N/AC:L/Au:N/C:C/I:C/A:C`
Published	2000-06-08
Last Modified	2026-06-16
ICS Relevance	0%
Source	NVD

Official Description

OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute arbitrary commands by providing the command to the ssh daemon.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute arbitrary commands by providing the command to the ssh daemon. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products

Vendor	Product	Affected Versions
Openbsd	Openssh	`1.2` `1.2.3` `2.1`

Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence

● Threat Intelligence Validated: October 2026 | Threat Age: 9634 Days

CISA known-exploited	Not in KEV catalog
Public Exploit	Not confirmed
PoC Code	Not confirmed

AI Enrichment Record — provenance & audit hash

Model	`rule-based-v1`
Confidence	MEDIUM
Enriched At	2026-05-24
SHA-512 Audit Hash	`885352c062d7c884d1857670fefb9bcfcaf9de21c34a3e527690c3d10e62a0b6d6aacb7b5fca371d1a0efbed7d03038a0e5aa73af79bfa4fd7e526950c9504ed`

Related CVEs affecting Openbsd

CVE-2000-0999 10.0 Format string vulnerabilities in OpenBSD ssh program (and possibly other BSD-... CVE-2000-1010 10.0 Format string vulnerability in talkd in OpenBSD and possibly other BSD-based ... CVE-1999-0798 10.0 Buffer overflow in bootpd on OpenBSD, FreeBSD, and Linux systems via a malfor... CVE-1999-0323 10.0 FreeBSD mmap function allows users to modify append-only or immutable files. CVE-2001-0053 10.0 One-byte buffer overflow in replydirname function in BSD-based ftpd allows re...

View all Openbsd CVEs →

Critical Severity - Know Your Exposure

A CVSS 10.0 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Create a free account →