CVE-2017-6599

Name: CVE-2017-6599
Creator: NVD / NIST
Published: 2017-04-07T17:59:00.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.04%

Last modified Jun 17, 2026

CVE-2017-6599 is a vulnerability of currently unknown severity. A vulnerability in Google-defined remote procedure call (gRPC) handling in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the Event Management Service daemon (emsd) to crash due to a system memory leak, resulting in a denial of service (DoS) condition. This vulnerability affects Cisco IOS XR Software with gRPC enabled. EPSS estimates a 2.04% chance of exploitation in the next 30 days.

Description

A vulnerability in Google-defined remote procedure call (gRPC) handling in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the Event Management Service daemon (emsd) to crash due to a system memory leak, resulting in a denial of service (DoS) condition. This vulnerability affects Cisco IOS XR Software with gRPC enabled. More Information: CSCvb14433. Known Affected Releases: 6.1.1.BASE 6.2.1.BASE. Known Fixed Releases: 6.2.1.22i.MGBL 6.1.22.9i.MGBL 6.1.21.12i.MGBL 6.1.2.13i.MGBL.

Metrics

EPSS Probability

2.04%

78.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions
Cisco	Ios Xr	6.1.1
Cisco	Ios Xr	6.2.1

References

http://www.securityfocus.com/bid/97464Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038191
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-iosVendor Advisory
http://www.securityfocus.com/bid/97464Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038191
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-iosVendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-6599?

How severe is CVE-2017-6599?

Severity scoring for CVE-2017-6599 is pending analysis. The EPSS model estimates a 2.04% probability of exploitation in the next 30 days.

How do I fix CVE-2017-6599?

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-2017-6599?

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

Scan your code now

Source: NVD / NIST