Unrated severityNVD Advisory· Published Feb 13, 2015· Updated Jun 17, 2026

CVE-2015-0593

Description

The Zone-Based Firewall implementation in Cisco IOS 12.4(122)T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service (device reload) via crafted network traffic, aka Bug ID CSCul65003.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Cisco iOS3 versions
cpe:2.3:o:cisco:ios:15.4\(1.12\)t:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:cisco:ios:15.4\(1.12\)t:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.4\(1.19\)t:*:*:*:*:*:*:*
- (no CPE)range: <=12.4(122)T

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0593nvdVendor Advisory
tools.cisco.com/security/center/viewAlert.xnvdVendor Advisory
www.securityfocus.com/bid/72549nvd
exchange.xforce.ibmcloud.com/vulnerabilities/100757nvd

News mentions

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