CVE-2017-6599
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…
Does this matter?
Lower severity and a low EPSS score (2.04%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 2.04% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-772
- Affected
- cisco/ios xr
- Source
- psirt@cisco.com
EPSS 2.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.