THREATPORT/VULNERABILITY/CVE-2018-5755
MEDIUM SEVERITY

CVE-2018-5755

Open Xchange Appsuite vulnerability

CVSS
5.5
EPSS
8.0%
EPSS pct
94th
Exploited
No known
Absolute path traversal vulnerability in the readerengine component in Open-Xchange OX App Suite before 7.6.3-rev3, 7.8.x before 7.8.2-rev4, 7.8.3 before 7.8.3-rev5, and 7.8.4 before 7.8.4-rev4 allows remote attackers to read arbitrary files via a full pathname in a formula in a spreadsheet.
Affected vendor
Open Xchange
Affected product
Open Xchange Appsuite
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness type (CWE)
Published
2018-06-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 8.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2018-5755

  • Confirm whether Open Xchange Open Xchange Appsuite is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-5755.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-5755

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-5755 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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