CVE-2018-5756

Open Xchange Appsuite vulnerability

CVSS

4.3

EPSS

5.6%

EPSS pct

92th

Exploited

No known

The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 does not properly check for folder-to-object association, which allows remote authenticated users to delete arbitrary tasks via the task id in a delete action to api/tasks.

Affected vendor

Open Xchange

Affected product

Open Xchange Appsuite

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness type (CWE)

CWE-269 — Improper Privilege Management

Published

2018-06-16

Risk analysis

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

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2018-5756

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-2018-5756.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-5756

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-5756 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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