THREATPORT/VULNERABILITY/CVE-2018-18957
CRITICAL SEVERITY

CVE-2018-18957

Libiec61850 vulnerability

CVSS
9.8
EPSS
11.6%
EPSS pct
96th
Exploited
No known
An issue has been found in libIEC61850 v1.3. It is a stack-based buffer overflow in prepareGooseBuffer in goose/goose_publisher.c.
Affected vendor
Mz Automation
Affected product
Libiec61850
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2018-11-05

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 high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 11.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2018-18957

  • Confirm whether Mz Automation Libiec61850 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-18957.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-18957

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-18957 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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