THREATPORT/VULNERABILITY/CVE-2018-1778
HIGH SEVERITY

CVE-2018-1778

Api Connect vulnerability

CVSS
7.7
EPSS
3.4%
EPSS pct
88th
Exploited
No known
IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user’s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.
Affected vendor
Ibm
Affected product
Api Connect
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness type (CWE)
  • CWE-287 — Improper Authentication
Published
2018-12-20

Risk analysis

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

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-1778

  • Confirm whether Ibm Api Connect is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1778.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1778

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1778 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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