What is the CVSS score of CVE-2019-25352?

CVE-2019-25352 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.4%.

Which versions of Windows are affected by CVE-2019-25352?

Crystal Live HTTP Server 6.01 contains a critical directory traversal vulnerability that allows attackers to access sensitive system files without authentication.

Is there a public PoC exploit available for CVE-2019-25352?

Yes, a public proof-of-concept exploit is available for CVE-2019-25352. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2019-25352?

Within 24 hours: Identify all systems running Crystal Live HTTP Server 6.01 and isolate affected instances from production networks if possible. Within 7 days: Implement WAF rules to block directory traversal patterns (../, encoded variants) and restrict HTTP requests to legitimate application paths; consider disabling the HTTP server if not business-critical. Within 30 days: Migrate to an alternative, actively maintained HTTP server solution or upgrade to a patched version if available from the vendor.

Windows CVE-2019-25352

HIGH

Path Traversal (CWE-22)

2026-02-18 disclosure@vulncheck.com

Windows Path Traversal

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 19, 2026 - 15:53 vuln.today

Public exploit code

CVE Published

Feb 18, 2026 - 22:16 nvd

HIGH 7.5

DescriptionCVE.org

Crystal Live HTTP Server 6.01 contains a directory traversal vulnerability that allows remote attackers to access system files by manipulating URL path segments. Attackers can use multiple '../' sequences to navigate outside the web root and retrieve sensitive configuration files like Windows system files.

AnalysisAI

Crystal Live HTTP Server 6.01 contains a directory traversal vulnerability that allows remote attackers to access system files by manipulating URL path segments. [CVSS 7.5 HIGH]

Technical ContextAI

Classified as CWE-22 (Path Traversal). Crystal Live HTTP Server 6.01 contains a directory traversal vulnerability that allows remote attackers to access system files by manipulating URL path segments. Attackers can use multiple '../' sequences to navigate outside the web root and retrieve sensitive configuration files like Windows system files.

Affected ProductsAI

Crystal Live HTTP Server 6.01 contains a directory traversal vulnerability that allows remote attackers to access system files by manipulating URL pat

RemediationAI

Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.