CVE-2012-4651
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-4651- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-4651- Updated
- 2026-11-02
EUVDEUVD-2012-4576 No score
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.
- Record
EUVD-2012-4576- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-49rh-g874-x54c No score
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of...
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.
- Record
GHSA-49rh-g874-x54c- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4651 is a medium vulnerability (CVSS 4.3) in Cisco Ios, published April 23, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. No source names a fixed version.