CVE-2001-0288
UnknownEPSS 5.41%
Last modified
CVE-2001-0288 is a vulnerability of currently unknown severity. Cisco switches and routers running IOS 12.1 and earlier produce predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.. EPSS estimates a 5.41% chance of exploitation in the next 30 days.
Description
Cisco switches and routers running IOS 12.1 and earlier produce predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | <= 12.1 |
References
- http://www.cisco.com/warp/public/707/ios-tcp-isn-random-pub.shtmlPatch, Vendor Advisory
- http://www.cisco.com/warp/public/707/ios-tcp-isn-random-pub.shtmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2001-0288?
Cisco switches and routers running IOS 12.1 and earlier produce predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.
How severe is CVE-2001-0288?
Severity scoring for CVE-2001-0288 is pending analysis. The EPSS model estimates a 5.41% probability of exploitation in the next 30 days.
How do I fix CVE-2001-0288?
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-2001-0288?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST