THREATPORT/VULNERABILITY/CVE-2018-0286
MEDIUM SEVERITY

CVE-2018-0286

Ios Xr vulnerability

CVSS
5.3
EPSS
3.3%
EPSS pct
87th
Exploited
No known
A vulnerability in the netconf interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on affected system. The vulnerability is due to improper handling of malformed requests processed by the netconf process. An attacker could exploit this vulnerability by sending malicious requests to the affected software. An exploit could allow the attacker to cause the targeted process to restart, resulting in a DoS condition on the affected system. Cisco Bug IDs: CSCvg95792.
Affected vendor
Cisco
Affected product
Ios Xr
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness type (CWE)
Published
2018-05-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2018-0286

  • Confirm whether Cisco Ios Xr is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-0286.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-0286

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-0286 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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