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Fencer Vulns
medium 5.5

CVE-2021-3684 json

OpenShift Assisted Installer leaks image pull secrets as plaintext in installation logs

published 2023-03-24 3 y ago modified 2026-09-10 1 mo ago also GHSA-g8xm-p2h4-v6jp , EUVD-2023-1010

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

A vulnerability was found in OpenShift Assisted Installer. During generation of the Discovery ISO, image pull secrets were leaked as plaintext in the installation logs. An authenticated user could exploit this by re-using the image pull secret to pull container images from the registry as the associated user.

Patch / fix

  • go github.com/openshift/assisted-installer 1.0.25.1
  • redhat openshift_assisted_installer 1.0.25.3

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-2021-3684 updated cvss 3.3

assisted-installer: Image Pull Secret leaked through log files

  • Red Hat Assisted Installer 1.0 rhai-tech-preview/assisted-installer-rhel8 v1.0.0-87, rhai-tech-preview/assisted-installer-reporter-rhel8 v1.0.0-101
    fixed: vendor fix RHEA-2021:3455
  • Red Hat Assisted Installer 1.0 rhai-tech-preview/assisted-installer-agent-rhel8 v1.0.0-62
    not affected: vulnerable code not present

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/openshift/assisted-installer
<1.0.25.1
1.0.25.1

Affected products

  • n/a assisted-installer

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File

References

Sources

Fencer Vulns 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.