Unscored severity · published Jun 27, 2015
CVE-2015-4199
Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of…
–
CVSS
2.1%
EPSS
No
On KEV
Description
Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (NULL pointer free and module crash) by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID CSCug47366.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
Ios · Cisco
15.3s · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-4199
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-4199
Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=39423
Third Party Advisory
http://www.securityfocus.com/bid/75335
Third Party Advisory
http://www.securitytracker.com/id/1032692
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