NIST deprecates RSA-2048 from 2030. Find every one of them before attackers do.
🐍
🐍 PyPI
Not in CISA KEV
HIGH severity

furlongm openvpn-monitor command injectionGHSA-4258-vcjw-wwxx

HIGH

GHSA-4258-vcjw-wwxx is a high-severity (CVSS 7.5) OS Command Injection vulnerability in openvpn-monitor. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2021-31605PYSEC-2021-353
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
3.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs89th percentile — riskier than 89% of all scored CVEsHighest risk
1.69%2.41%3.13%3.84%2.2%3.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍openvpn-monitor

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This can shut down the server via signal SIGTERM.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐍PyPIopenvpn-monitorall versionsNo fix

Affected Products

1 product · 1 configurations
Application
openvpn-monitoropenvpn-monitor_project
≤ 1.1.3
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for openvpn-monitor, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of openvpn-monitor for GHSA-4258-vcjw-wwxx. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

furlongm openvpn-monitor through 1.1.3 allows `%0a` command injection via the OpenVPN management interface socket. This can shut down the server via signal `SIGTERM`.
O3 Security · Impact-Aware SCA

Is GHSA-4258-vcjw-wwxx in your dependencies?

Find it across PyPI, including transitive dependencies.

Scan my dependencies How O3 SCA works
GHSA-4258-vcjw-wwxx: openvpn (High 7.5)