CVE-2012-4651
UnknownEPSS 1.08%
Last modified
CVE-2012-4651 is a vulnerability of currently unknown severity. Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.
Description
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | <= 15.3\(3\)m2 |
| Cisco | Ios | 15.3 |
| Cisco | Ios | 15.3\(2\)s |
| Cisco | Ios | 15.3\(3\)m |
| Cisco | Ios | 15.3\(3\)m1 |
| Cisco | Ios | 15.3\(3\)s |
| Cisco | Ios | 15.3s |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2012-4651?
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.
How severe is CVE-2012-4651?
Severity scoring for CVE-2012-4651 is pending analysis. The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4651?
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-2012-4651?
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