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CVE-2025-15633: An improper authorization vulnerability in HCL BigFix WebUI allows an authenticated user without Master Operat

26
Routine
MEDIUM 6.5UPGRADEUPGRADEUPGRADE

CVE-2025-15633 is a medium-severity flaw (CVSS 6.5) affecting bigfix webui api, bigfix webui application administration, bigfix webui cmep. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper authorization vulnerability in HCL BigFix WebUI allows an authenticated user without Master Operator privileges to access internal data (site names, versions, and configuration variables) and bypass privilege requirements via unprotected endpoints lacking adequate security headers.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.2% (top 87%)
CISA exploited listNo
WeaknessCWE-863
Published2026-05-09
Last modified2026-07-25
Publisher (CNA): HCL Software · Vendor: hcltech

Share: LinkedIn · X · Reddit

Last updated 2026-07-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

hcltech bigfix webui api UPGRADE
Affected: < 33
Fixed in: 33
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bigfix-webui-api || rpm -q bigfix-webui-api || bigfix-webui-api --version
2. UPGRADE to 33 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bigfix-webui-api
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bigfix-webui-api
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
hcltech bigfix webui application administration UPGRADE
Affected: < 40
Fixed in: 40
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bigfix-webui-application-administration || rpm -q bigfix-webui-application-administration || bigfix-webui-application-administration --version
2. UPGRADE to 40 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bigfix-webui-application-administration
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bigfix-webui-application-administration
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
hcltech bigfix webui cmep UPGRADE
Affected: < 22
Fixed in: 22
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bigfix-webui-cmep || rpm -q bigfix-webui-cmep || bigfix-webui-cmep --version
2. UPGRADE to 22 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bigfix-webui-cmep
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bigfix-webui-cmep
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
hcltech bigfix webui common UPGRADE
Affected: < 101
Fixed in: 101
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bigfix-webui-common || rpm -q bigfix-webui-common || bigfix-webui-common --version
2. UPGRADE to 101 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bigfix-webui-common
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bigfix-webui-common
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
hcltech bigfix webui content app UPGRADE
Affected: < 28
Fixed in: 28
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bigfix-webui-content-app || rpm -q bigfix-webui-content-app || bigfix-webui-content-app --version
2. UPGRADE to 28 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bigfix-webui-content-app
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bigfix-webui-content-app
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
hcltech bigfix webui custom UPGRADE
Affected: < 50
Fixed in: 50
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bigfix-webui-custom || rpm -q bigfix-webui-custom || bigfix-webui-custom --version
2. UPGRADE to 50 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bigfix-webui-custom
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bigfix-webui-custom
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15633?

bigfix webui api: upgrade to 33; bigfix webui application administration: upgrade to 40; bigfix webui cmep: upgrade to 22. Exact commands for each OS are on this page.

Is CVE-2025-15633 being exploited?

CVE-2025-15633 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15633 affect?

CVE-2025-15633 affects bigfix webui api, bigfix webui application administration, bigfix webui cmep. Severity is medium (CVSS 6.5). An improper authorization vulnerability in HCL BigFix WebUI allows an authenticated user without Master Operator privileges to access internal data (site names, versions, and configuration variables) and bypass privilege requirements via un

How urgent is CVE-2025-15633?

Priority 26/100. No elevated risk signals yet.

Related CVEs

References

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