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Fencer Vulns
high 8.8

CVE-2021-3528 json

A flaw was found in noobaa-operator in versions before 5.7.0, where internal RPC AuthTokens between the noobaa operator and the noobaa core…

published 2021-05-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26844

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

A flaw was found in noobaa-operator in versions before 5.7.0, where internal RPC AuthTokens between the noobaa operator and the noobaa core are leaked into log files. An attacker with access to the log files could use this AuthToken to gain additional access into noobaa deployment and can read/modify system configuration.

Patch / fix

  • redhat noobaa-operator 5.7.0

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-2021-3528 updated cvss 8.8

NooBaa: noobaa-operator leaking RPC AuthToken into log files

  • Red Hat OpenShift Container Storage 4.6 on RHEL-8 ocs4/mcg-rhel8-operator 5.6.0-57.43b2f28.5.6
    fixed: vendor fix RHSA-2021:2479
  • Red Hat OpenShift Container Storage 4.7 on RHEL-8 ocs4/mcg-rhel8-operator 5.7.0-69.85e2026.5.7
    fixed: vendor fix RHSA-2021:2041
  • Red Hat OpenShift Container Storage 4.6 on RHEL-8 ocs4/ocs-operator-bundle 4.6.5-3, ocs4/mcg-core-rhel8 5.6.0-54.93205f1.5.6, ocs4/cephcsi-rhel8 4.6-75.ce3f8de.release_4.6, ocs4/ocs-rhel8-operator 4.6-90.8bee60f.release_4.6, ocs4/ocs-must-gather-rhel8 4.6-90.8bee60f.release_4.6, ocs4/rook-ceph-rhel8-operator 4.6-100.9bbe471.release_4.6 Red Hat OpenShift Container Storage 4.7 on RHEL-8 ocs4/ocs-operator-bundle 4.7.0-11, ocs4/mcg-core-rhel8 5.7.0-60.2c1fdb0.5.7, ocs4/cephcsi-rhel8 4.7-102.5c44836.release_4.7, ocs4/ocs-rhel8-operator 4.7-174.7f14177.release_4.7, ocs4/ocs-must-gather-rhel8 4.7-174.7f14177.release_4.7, ocs4/rook-ceph-rhel8-operator 4.7-140.49a6fcf.release_4.7
    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

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • n/a NooBaa

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials
  • 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.