7.8

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.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.87%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-08-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 versions

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 score
2.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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