CVE-2025-6775

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 3.5%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability classified as critical has been found in xiaoyunjie openvpn-cms-flask up to 1.2.7. This affects the function create_user of the file /app/api/v1/openvpn.py of the component User Creation Endpoint. The manipulation of the argument Username leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.2.8 is able to address this issue. The patch is named e23559b98c8ea2957f09978c29f4e512ba789eb6. It is recommended to upgrade the affected component.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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 computed
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
88%
KEV
Not listed

Published

June 27, 2025

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Jul 26, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github_release.
github_release Patch Available

v1.2.8

Patch available: xiaoyunjie/openvpn-cms-flask v1.2.8

https://github.com/xiaoyunjie/openvpn-cms-flask/releases/tag/v1.2.8
generic🟡 PoC Available

Authenticated Remote Code Execution via Command Injection · Issue #24 · xiaoyunjie/openvpn-cms-flask · GitHub

https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24#issuecomment-2948563464
generic🟡 PoC Available

Authenticated Remote Code Execution via Command Injection · Issue #24 · xiaoyunjie/openvpn-cms-flask · GitHub

https://github.com/xiaoyunjie/openvpn-cms-flask/issues/24
github_commit Patch Available

commit e23559b98c8e (xiaoyunjie/openvpn-cms-flask)

Patch available: xiaoyunjie/openvpn-cms-flask v1.2.8 (contains commit e23559b98c8e)

https://github.com/xiaoyunjie/openvpn-cms-flask/commit/e23559b98c8ea2957f09978c29f4e512ba789eb6

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 123 total refreshes for this CVE.

  1. 2026-07-26 14:54 UTCEPSS rescore
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  8. 2026-07-23 03:02 UTCEG score recompute▲ 3.50
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  27. 2026-06-24 09:51 UTCNVD updateCVSS v3 → 9.8 · CVSS v4 → 2.1 · severity → CRITICAL
  28. 2026-06-23 21:32 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-6775?
CVE-2025-6775 is a critical vulnerability published on June 27, 2025. A vulnerability classified as critical has been found in xiaoyunjie openvpn-cms-flask up to 1.2.7. This affects the function create_user of the file /app/api/v1/openvpn.py of the component User Creation Endpoint. The manipulation of the argument Username leads to command injection. It is possible…
When was CVE-2025-6775 disclosed?
CVE-2025-6775 was first published in the National Vulnerability Database on June 27, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-6775 actively exploited?
CVE-2025-6775 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 12.0% of all scored CVEs.
What is the CVSS score of CVE-2025-6775?
CVE-2025-6775 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-6775?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-6775, 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

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