What’s Vulnerable › Vulnerabilities

CVE-2015-4191

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-06-19 · updated 2026-06-17
• Weakness: CWE-399

Description

Cisco IOS XR 5.2.1 allows remote attackers to cause a denial of service (ipv6_io service reload) via a malformed IPv6 packet, aka Bug ID CSCuq95565.

Affected products

• Cisco IOS XR Software: 5.2.1

References

• http://tools.cisco.com/security/center/viewAlert.x?alertId=39383
• http://www.securityfocus.com/bid/75260
• http://www.securitytracker.com/id/1032615
• http://tools.cisco.com/security/center/viewAlert.x?alertId=39383
• http://www.securityfocus.com/bid/75260
• http://www.securitytracker.com/id/1032615

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