CVE-2012-4099
UnknownEPSS 1.61%
Last modified
CVE-2012-4099 is a vulnerability of currently unknown severity. The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065.. EPSS estimates a 1.61% chance of exploitation in the next 30 days.
Description
The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Nx-Os | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2012-4099?
The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065.
How severe is CVE-2012-4099?
Severity scoring for CVE-2012-4099 is pending analysis. The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4099?
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.
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Are you affected by CVE-2012-4099?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST