CVE-2016-6455

Description

A vulnerability in the Slowpath of StarOS for Cisco ASR 5500 Series routers with Data Processing Card 2 (DPC2) could allow an unauthenticated, remote attacker to cause a subset of the subscriber sessions to be disconnected, resulting in a partial denial of service (DoS) condition. This vulnerability affects Cisco ASR 5500 devices with Data Processing Card 2 (DPC2) running StarOS 18.0 or later. More Information: CSCvb12081. Known Affected Releases: 18.7.4 19.5.0 20.0.2.64048 20.2.3 21.0.0. Known Fixed Releases: 18.7.4 18.7.4.65030 18.8.M0.65044 19.5.0 19.5.0.65092 19.5.M0.65023 19.5.M0.65050 20.2.3 20.2.3.64982 20.2.3.65017 20.2.a4.65307 20.3.M0.64984 20.3.M0.65029 20.3.M0.65037 20.3.M0.65071 20.3.T0.64985 20.3.T0.65031 20.3.T0.65043 20.3.T0.65067 21.0.0 21.0.0.65256 21.0.M0.64922 21.0.M0.64983 21.0.M0.65140 21.0.V0.65150 21.1.A0.64932 21.1.A0.64987 21.1.A0.65145 21.1.PP0.65270 21.1.R0.65130 21.1.R0.65135 21.1.R0.65154 21.1.VC0.65203 21.2.A0.65147.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory cisco.com
Affected: n/a Cisco StarOS 18.x through 21.x
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1037186 vdb entry
http://www.securityfocus.com/bid/94071 vdb entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-asr vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-6455?
CVE-2016-6455 has been scored as a high severity vulnerability.
How to fix CVE-2016-6455?
To fix CVE-2016-6455, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6455 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-6455 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-6455?
CVE-2016-6455 affects n/a Cisco StarOS 18.x through 21.x.
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