CVE-2015-0731: Medium severity Cisco IOS vulnerability
Published May 16, 2015
·Updated
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
Affected Software
2 affected components
Cisco IOS=15.3\(3\)s1
Cisco IOS=15.3s
Event History
May 16, 2015
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2015-0731?
CVE-2015-0731 is classified as a denial of service vulnerability that can cause a device reload.
2
How do I fix CVE-2015-0731?
To mitigate CVE-2015-0731, upgrade to a version of Cisco IOS that is not affected, specifically versions beyond 15.3(3)S1.
3
What systems are affected by CVE-2015-0731?
CVE-2015-0731 impacts Cisco IOS versions 15.3(3)S1 and 15.3S.
4
Can CVE-2015-0731 be exploited remotely?
Yes, CVE-2015-0731 can be exploited remotely through malformed Q931 SETUP messages.
5
What types of attacks are associated with CVE-2015-0731?
CVE-2015-0731 can lead to denial of service attacks that result in the affected device reloading.