4.3

CVE-2018-0257: cisco ios_xe Resource Management Errors

CVSS: 4.3v3.0MediumModified
Published 19-04-2018Last modified 29-11-2024
Open JSON

Vulnerability summary

CVE-2018-0257 is a medium (CVSS 4.3) Resource Management Errors vulnerability in cisco ios_xe. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
0.77%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-04-2018
    PublishedVulnerability first disclosed.
  2. 29-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

-0.01 pp

From 0.79% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.77%

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_xe≥ 3.18, ≤ 3.18.4 | ≥ 16.6, ≤ 16.6.3 | > 16.7, ≤ 16.7.2 | 15.6\(2\)sp | 16.4 | 16.5

1 vendor · 1 product

References

3 links