CVE-2017-6599

5.3 mediumEPSS 2.0%

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.

Severity

CVSS 3.0

5.3 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-772
Published: 2017-04-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cisco:ios_xr

References

http://www.securityfocus.com/bid/97464
http://www.securitytracker.com/id/1038191
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-ios
http://www.securityfocus.com/bid/97464
http://www.securitytracker.com/id/1038191

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