CVE-2001-1183
UnknownEPSS 3.75%
Last modified
CVE-2001-1183 is a vulnerability of currently unknown severity. PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.. EPSS estimates a 3.75% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 12.1e |
| Cisco | Ios | 12.1ez |
| Cisco | Ios | 12.1t |
| Cisco | Ios | 12.1ya |
| Cisco | Ios | 12.1yc |
| Cisco | Ios | 12.1yd |
| Cisco | Ios | 12.2 |
| Cisco | Ios | 12.2t |
| Cisco | Ios | 12.2xa |
| Cisco | Ios | 12.2xd |
| Cisco | Ios | 12.2xe |
| Cisco | Ios | 12.2xh |
| Cisco | Ios | 12.2xq |
References
- http://www.cisco.com/warp/public/707/PPTP-vulnerability-pub.htmlPatch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/656315Patch, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/3022Patch, Vendor Advisory
- http://www.cisco.com/warp/public/707/PPTP-vulnerability-pub.htmlPatch, Vendor Advisory
- http://www.kb.cert.org/vuls/id/656315Patch, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/3022Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2001-1183?
PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service (crash) via a malformed packet.
How severe is CVE-2001-1183?
Severity scoring for CVE-2001-1183 is pending analysis. The EPSS model estimates a 3.75% probability of exploitation in the next 30 days.
How do I fix CVE-2001-1183?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2001-1183?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST