CVE-2016-6355: cisco ios_xr Resource Management Errors
CVSS: 7.8v2.0HighModified
Published 23-08-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-6355 is a high (CVSS 7.8) Resource Management Errors vulnerability in cisco ios_xr. EPSS estimates a 2.87% chance of exploitation in the next 30 days, higher than 86.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
2.87%
0%100%
Low · +0.13 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-08-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
2.87%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
+0.13 pp
From 2.74% on 21-09-2026
21-09-202621-10-2026
EPSS score2.87%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- ios_xr5.1.0 | 5.1.1 | 5.1.1.k9sec | 5.1.2 | 5.1.3 | 5.2.0 | 5.2.1 | 5.2.2 | 5.2.3 | 5.2.4 | 5.2.5 | 5.3.0 | 5.3.1 | 5.3.2
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160810-iosxrVendor AdvisoryX Refsource CISCO