CVE-2025-70034

High

not-fixedNot Available

Security vulnerability in ssh2

Description

An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in mscdex ssh2 v1.17.0.

An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in mscdex ssh2 v1.17.0. This vulnerability involves weaknesses in

Impact Assessment

This high-severity vulnerability could allow attackers to gain unauthorized access, execute arbitrary code, or compromise data integrity. Prompt remediation is strongly recommended.

Attack Characteristics

Attack Vector

NETWORK

Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS v3.1 Score

7.5

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

EPSS — Exploit Prediction

0.35%

Probability of exploitation in the next 30 days · more likely than 26.9% of all CVEs.

Quick Facts

PublishedJan 1, 1

Last ModifiedJan 1, 1

Discovered ByIndependent Security Researcher

Statusnot-fixed

Weakness Types

CWE-1333

Unknown CWE

This vulnerability is associated with CWE-1333. This type of weakness can lead to security issues if not properly addressed.

Attack Metrics

CVSS v3.1 Metrics Breakdown

attack Vector

NETWORK

attack Complexity

LOW

privileges Required

NONE

user Interaction

NONE

scope

Unchanged

confidentiality Impact

High

integrity Impact

High

availability Impact

High

Remediation Guide

How to Fix This Vulnerability

Remediation Steps

1Review and audit affected systems for potential exploitation
2Implement additional security controls if immediate patching is not possible
3Monitor for suspicious activity related to this vulnerability

Mitigation Strategies

Network Segmentation

High

Isolate affected systems from untrusted networks until patching is complete

Monitoring and Detection

Medium

Implement enhanced monitoring for exploitation attempts and unusual behavior

Event History

Vulnerability Timeline

Vulnerability published

0001-01-01T00:00:00Z

published

▪ Common questions

How severe is CVE-2025-70034?

CVE-2025-70034 is rated HIGH with a CVSS score of 7.5 (attack vector: NETWORK).

What kind of weakness is CVE-2025-70034?

CVE-2025-70034 is classified as CWE-1333 — Security vulnerability in ssh2.

Back to All Vulnerabilities

CVE-2025-70034

High

not-fixedNot Available

Security vulnerability in ssh2

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Description

An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in mscdex ssh2 v1.17.0.

An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in mscdex ssh2 v1.17.0. This vulnerability involves weaknesses in

Impact Assessment

This high-severity vulnerability could allow attackers to gain unauthorized access, execute arbitrary code, or compromise data integrity. Prompt remediation is strongly recommended.

Attack Characteristics

Attack Vector

NETWORK

Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS v3.1 Score

7.5

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

EPSS — Exploit Prediction

0.35%

Probability of exploitation in the next 30 days · more likely than 26.9% of all CVEs.

Quick Facts

PublishedJan 1, 1

Last ModifiedJan 1, 1

Discovered ByIndependent Security Researcher

Statusnot-fixed

Weakness Types

CWE-1333

Unknown CWE

This vulnerability is associated with CWE-1333. This type of weakness can lead to security issues if not properly addressed.

Attack Metrics

CVSS v3.1 Metrics Breakdown

attack Vector

NETWORK

attack Complexity

LOW

privileges Required

NONE

user Interaction

NONE

scope

Unchanged

confidentiality Impact

High

integrity Impact

High

availability Impact

High

Remediation Guide

How to Fix This Vulnerability

Remediation Steps

1Review and audit affected systems for potential exploitation
2Implement additional security controls if immediate patching is not possible
3Monitor for suspicious activity related to this vulnerability

Mitigation Strategies

Network Segmentation

High

Isolate affected systems from untrusted networks until patching is complete

Monitoring and Detection

Medium

Implement enhanced monitoring for exploitation attempts and unusual behavior

Event History

Vulnerability Timeline

Vulnerability published

0001-01-01T00:00:00Z

published

▪ Common questions

How severe is CVE-2025-70034?

CVE-2025-70034 is rated HIGH with a CVSS score of 7.5 (attack vector: NETWORK).

What kind of weakness is CVE-2025-70034?

CVE-2025-70034 is classified as CWE-1333 — Security vulnerability in ssh2.

Back to All Vulnerabilities