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OpenSSH Alpine CVE-2025-61984

LOW
Improper Handling of Invalid Use of Special Elements (CWE-159)
N/A vendor:alpine
3.6
CVSS 3.1 · Vendor: vendor:alpine
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Unknown entry point
  2. Exploit
    Trigger unspecified OpenSSH vulnerability
  3. Impact
    Unknown impact

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Special element handling
Exploitation Conditions

Exploitation conditions cannot be determined - no CVE description, CVSS vector, or CWE is available to identify required configuration, authentication level, network accessibility, or triggering conditions. No special conditions can be confirmed or ruled out. What IS known: no public exploit exists, EPSS is 0.01% (2nd percentile), and this is not listed in CISA KEV. Authentication requirements are not confirmed from available data. Defenders should monitor the Alpine Linux security tracker and upstream OpenSSH changelogs for CVE-2025-61984 disclosures to refine this assessment.

Impact

Real-world risk cannot be quantitatively assessed due to the near-total absence of technical disclosure. No CVSS vector is available, making it impossible to evaluate attack vector, complexity, required privileges, or user interaction. No CWE is assigned, so the vulnerability class is unknown. The EPSS score of 0.01% (2nd percentile) indicates extremely low exploitation probability relative to the broader CVE population, suggesting this is unlikely to see widespread automated exploitation in the near term. There is no active exploitation confirmed (not in CISA KEV) and no public proof-of-concept identified. The sole signal for prioritization is that a vendor patch has been released, which warrants upgrading as a precautionary measure. CRITICAL DATA GAP: The vulnerability description is a single-line patch notice with no technical detail - security teams should consult the Alpine Linux security tracker and upstream OpenSSH release notes for CVE-2025-61984 before making risk decisions.

Exploit ScenarioDerived

No exploit scenario can be constructed with confidence given the complete absence of technical vulnerability details - attack vector, required privileges, and affected components are all unknown. No public exploit or proof-of-concept has been identified at time of analysis. Upgrading to the patched package version is the recommended action pending further disclosure.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – May 27, 2026

OpenSSH on Alpine Linux received a security fix in package version 10.1_p1-r0, addressing an unspecified vulnerability tracked as CVE-2025-61984. The exact nature, attack vector, and impact of this vulnerability are not disclosed in available intelligence sources - no CVE description, CVSS score, or CWE classification has been published at time of analysis. EPSS probability is extremely low at 0.01% (2nd percentile), and no public exploit or CISA KEV listing has been identified.

RemediationAI

Upgrade the OpenSSH package on Alpine Linux to version 10.1_p1-r0 or later using the Alpine package manager: 'apk update && apk upgrade openssh'. This is the vendor-confirmed fix version per the Alpine Linux security report. No workarounds or compensating controls are documented in available data, as no technical details about the vulnerability mechanism have been disclosed. If immediate patching is operationally not feasible, consider restricting SSH access at the network perimeter (firewall rules limiting source IPs to known management hosts) as a generic precaution - note this does not remediate the underlying vulnerability. Consult https://security.alpinelinux.org/ for the official advisory and any additional guidance.

Affected ProductsAI

OpenSSH as packaged for Alpine Linux is affected. The fix was introduced in Alpine package version 10.1_p1-r0, meaning all prior Alpine Linux packages of OpenSSH below this version are potentially vulnerable. No CPE strings, specific Alpine release branches (e.g., Alpine 3.x edge), or additional affected platform details were provided in the available intelligence. Affected version ranges across Alpine release streams (stable, edge) are not confirmed from available data - consult the Alpine Linux security advisory at https://security.alpinelinux.org/ for precise branch-level scope.

Affects your stack

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Technical ContextAI · show details

OpenSSH is the de facto standard implementation of the Secure Shell (SSH) protocol, widely deployed for remote administration and encrypted file transfer. Alpine Linux packages OpenSSH using its own versioning scheme; the fix version 10.1_p1-r0 corresponds to upstream OpenSSH 10.1p1 packaged for Alpine. Without a published CWE or CVE description, the root cause class - whether memory corruption, authentication bypass, privilege escalation, or another category - cannot be determined from available data. The vulnerability is reported exclusively by the Alpine Linux vendor through its own advisory channel.

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Severity by source

Vendor (vendor:alpine) PRIMARY 3.6 LOW
AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from Vendor (vendor:alpine) · only source for this CVE.

CVSS VectorVendor: vendor:alpine

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVSS changed
Jul 14, 2026 - 13:22 NVD
3.6 (LOW)

DescriptionCVE.org

Alpine Linux: openssh fixed in 10.1_p1-r0

Threat Intelligence Overview

EPSS Score
0.0%
Top 98% exploitable
Threat Intel
2
1 source
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat Yes
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +18
PoC: 0
Weaponized: 0
Threat intel: +10
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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CISA Advisories
Sources: CISA (public domain)

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