# CVE-2001-1183

## Summary

- **CVE ID:** CVE-2001-1183
- **Severity:** UNKNOWN
- **CVSS Score:** 0.03
- **CWE:** N/A
- **Published:** Jun 25, 2002
- **Last Modified:** Mar 16, 2026

## Description

PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.osvdb.org/802)
- [CNA](http://www.kb.cert.org/vuls/id/656315)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/6835)
- [CNA](http://www.cisco.com/warp/public/707/PPTP-vulnerability-pub.html)
- [CNA](http://www.securityfocus.com/bid/3022)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.57%
- **EPSS Percentile:** 68.0

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._