CVE-2012-4651
First published: Wed Apr 23 2014(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
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Frequently Asked Questions
What is the severity of CVE-2012-4651?
CVE-2012-4651 has a high severity level as it allows remote attackers to cause denial of service conditions.
How do I fix CVE-2012-4651?
To fix CVE-2012-4651, upgrade your Cisco IOS to version 15.3(2)T or later.
What devices are affected by CVE-2012-4651?
CVE-2012-4651 affects Cisco IOS versions prior to 15.3(2)T when scansafe is enabled.
What type of attack does CVE-2012-4651 involve?
CVE-2012-4651 involves a denial of service attack that exploits SYN packets without corresponding SYN-ACK responses.
Is there a workaround for CVE-2012-4651?
There are no known workarounds for CVE-2012-4651, so upgrading to a patched version is recommended.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/15.3\(3\)m2
- version/cisco ios/15.3
- version/cisco ios/15.3\(2\)s
- version/cisco ios/15.3\(3\)m
- version/cisco ios/15.3\(3\)m1
- version/cisco ios/15.3\(3\)s
- version/cisco ios/15.3s