Vulnerability in Cisco iOS Xr

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 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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.020 (81.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-6599: held from 0.020 to 0.020.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

  • Cisco iOS Xr — versions 6.1.1, 6.2.1
  • Cisco iOS Xr Software — versions Cisco IOS XR Software

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-6599?
CVE-2017-6599 is a medium-severity vulnerability in Cisco iOS Xr, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.3/10. Published 2017-04-07.
How severe is CVE-2017-6599?
Medium severity. CVSS v3 base score is 5.3 out of 10.