CVE-2017-6603

Name: CVE-2017-6603
Creator: NVD / NIST
Published: 2017-04-07T17:59:00.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.66%

Last modified Jun 17, 2026

CVE-2017-6603 is a vulnerability of currently unknown severity. A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. Known Affected Releases: 15.4(3)S3.15. Known Fixed Releases: 15.6(2)SP 15.6(1.31)SP.

Metrics

EPSS Probability

0.66%

46.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Asr 900 Series Firmware	15.4\(3\)s3.15

References

http://www.securityfocus.com/bid/97450Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038185
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-asrVendor Advisory
http://www.securityfocus.com/bid/97450Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038185
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-asrVendor Advisory

Timeline

Published: Apr 7, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-6603?

How severe is CVE-2017-6603?

Severity scoring for CVE-2017-6603 is pending analysis. The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2017-6603?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-6603?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST