5.3

CVE-2016-6421: cisco ios_xr Resource Management Errors

CVSS: 5.3v3.0MediumModified
Published 05-10-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-6421 is a medium (CVSS 5.3) Resource Management Errors vulnerability in cisco ios_xr. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-10-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Cisco IOS XR 5.2.2 allows remote attackers to cause a denial of service (process restart) via a crafted OSPF Link State Advertisement (LSA) update, aka Bug ID CSCvb05643.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.60%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.60% on 22-09-2026

22-09-202622-10-2026
EPSS score
1.60%

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

1 vendor · 1 product

References

3 links