Vulnerability in Cisco iOS Xr
CVE-2016-6355
Memory leak in Cisco IOS XR 5.1.x through 5.1.3, 5.2.x through 5.2.5, and 5.3.x through 5.3.2 on ASR 9001 devices allows remote attackers to cause a denial of service (control-plane protocol outage) via crafted fragmented packets, aka Bug ID CSCux26791.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Cisco iOS Xr — versions 5.1.0, 5.1.1, 5.1.1.k9sec
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1036585 (vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160810… (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/92399 (vdb-entry)
Frequently asked questions
- What is CVE-2016-6355?
- CVE-2016-6355 is a high-severity vulnerability in Cisco iOS Xr, classified under CWE-399. CVSS score: 7.5/10. Published 2016-08-23.
- How severe is CVE-2016-6355?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-6355 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.