Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.
CVE-2025-52936
CRITICALNVD 9.39.3—
EchelonGraph scoreMEDIUM confidence
This critical-severity CVE scores 9.3 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0
A fix is available — apply it.
- CVSS v3
- 9.3
- EG Score
- 9.3(medium)
- EG Risk
- 42(Track)EG Risk 42/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity93% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 8%
- KEV
- Not listed
Published
June 23, 2025
Last Modified
August 1, 2026
References (3)
- cve_disclosure@techhttps://github.com/yrutschle/sslh/pull/494
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/07/msg00001.html
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2026/08/msg00004.html
Related CVEs
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Frequently asked(5)
What is CVE-2025-52936?
CVE-2025-52936 is a critical vulnerability published on June 23, 2025. Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.
When was CVE-2025-52936 disclosed?
CVE-2025-52936 was first published in the National Vulnerability Database on June 23, 2025, with the most recent update on August 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-52936 actively exploited?
CVE-2025-52936 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 92.1% of all scored CVEs.
What is the CVSS score of CVE-2025-52936?
CVE-2025-52936 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2025-52936?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-52936, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-52936
Is Your Infrastructure Affected by CVE-2025-52936?
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