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Fencer Intel
high 7.0

CVE-2020-1709 json

A vulnerability was found in all openshift/mediawiki 4.x.x versions prior to 4.3.0, where an insecure modification vulnerability in the /et…

published 6y ago modified 4mo ago also EUVD-2020-12564

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

A vulnerability was found in all openshift/mediawiki 4.x.x versions prior to 4.3.0, where an insecure modification vulnerability in the /etc/passwd file was found in the openshift/mediawiki. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges.

Patch / fix

  • redhat openshift 4.3

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-1709 updated cvss 7.0

openshift/mediawiki: /etc/passwd is given incorrect privileges

  • Red Hat OpenShift Container Platform 3.11 openshift3/mediawiki v3.11.188-2
    fixed: vendor fix RHSA-2020:0799
  • Red Hat OpenShift Container Platform 4.1 openshift4/apb-base v4.1.37-202003021622, openshift4/mediawiki v4.1.37-202003021622, openshift4/mysql-apb v4.1.37-202003021622, openshift4/mariadb-apb v4.1.37-202003021622, openshift4/postgres-apb v4.1.37-202003021622, openshift4/mediawiki-apb v4.1.37-202003021622, +1 more
    fixed: vendor fix RHSA-2020:0694
  • Red Hat OpenShift Container Platform 4.2 openshift4/mediawiki v4.2.24-202003161048
    fixed: vendor fix RHSA-2020:0830

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • [UNKNOWN] openshift/mediawiki

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.