Unrated severityNVD Advisory· Published Nov 28, 2001· Updated Jun 16, 2026
CVE-2001-0929
CVE-2001-0929
Description
Cisco IOS Firewall Feature set, aka Context Based Access Control (CBAC) or Cisco Secure Integrated Software, for IOS 11.2P through 12.2T does not properly check the IP protocol type, which could allow remote attackers to bypass access control lists.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:o:cisco:ios:11.2p:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:o:cisco:ios:11.2p:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:11.3t:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.0t:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:*
- (no CPE)range: 11.2P through 12.2T
Patches
Vulnerability mechanics
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References
5- www.cisco.com/warp/public/707/IOS-cbac-dynacl-pub.shtmlnvdPatchVendor Advisory
- www.kb.cert.org/vuls/id/362483nvdUS Government Resource
- www.osvdb.org/808nvd
- www.securityfocus.com/bid/3588nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/7614nvd
News mentions
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