CVE-2015-0593

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-02-13 · updated 2026-06-17
Weakness: CWE-399

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.

Affected products

Cisco IOS: 15.4(1.12)t, 15.4(1.19)t

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0593
http://tools.cisco.com/security/center/viewAlert.x?alertId=37417
http://www.securityfocus.com/bid/72549
https://exchange.xforce.ibmcloud.com/vulnerabilities/100757
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0593
http://tools.cisco.com/security/center/viewAlert.x?alertId=37417
http://www.securityfocus.com/bid/72549
https://exchange.xforce.ibmcloud.com/vulnerabilities/100757

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