CVE-2013-5503
UnknownEPSS 1.33%
Last modified
CVE-2013-5503 is a vulnerability of currently unknown severity. The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.
Description
The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios Xr | 4.3.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2013-5503?
The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.
How severe is CVE-2013-5503?
Severity scoring for CVE-2013-5503 is pending analysis. The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.
How do I fix CVE-2013-5503?
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-2013-5503?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST