CVE-2018-3601: A password hash usage authentication bypass vulnerability in Trend Micro Control Manager 6.0 could allow a rem

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-3601 is a critical-severity flaw (CVSS 9.8) affecting control manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A password hash usage authentication bypass vulnerability in Trend Micro Control Manager 6.0 could allow a remote attacker to bypass authentication on vulnerable installations.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Weakness	CWE-287
Published	2018-02-09
Last modified	2026-06-17

Publisher (CNA): Trend Micro, Inc. · Vendor: trendmicro

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-02-09 22:29 UTCPublished CVE record published
2026-06-17 01:57 UTCUpdated Record last modified

trendmicro control manager DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy control-manager || rpm -q control-manager || control-manager --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison control-manager sudo apt install control-manager=<VERSION_BEFORE_6.0> sudo apt-mark hold control-manager

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list control-manager sudo dnf downgrade control-manager-<VERSION_BEFORE_6.0> sudo dnf versionlock add control-manager

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2018-3601?

control manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-3601 being exploited?

CVE-2018-3601 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-2018-3601 affect?

CVE-2018-3601 affects control manager. Severity is critical (CVSS 9.8). A password hash usage authentication bypass vulnerability in Trend Micro Control Manager 6.0 could allow a remote attacker to bypass authentication on vulnerable installations.

How urgent is CVE-2018-3601?

Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

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References

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