CVE-2018-7581: \ProgramData\WebLog Expert\WebServer\WebServer.cfg in WebLog Expert Web Server Enterprise 9.4 has weak permiss

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HIGH 7.8DOWNGRADE

CVE-2018-7581 is a high-severity flaw (CVSS 7.8) affecting weblog expert. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

\ProgramData\WebLog Expert\WebServer\WebServer.cfg in WebLog Expert Web Server Enterprise 9.4 has weak permissions (BUILTIN\Users:(ID)C), which allows local users to set a cleartext password and login as admin.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-732
Published	2018-03-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: weblogexpert

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

Am I affected?

Timeline

2018-03-09 20:29 UTCPublished CVE record published
2026-06-17 02:03 UTCUpdated Record last modified

weblogexpert weblog expert DOWNGRADE

Affected: 9.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.4

1. Check installed version

apt-cache policy weblog-expert || rpm -q weblog-expert || weblog-expert --version

2. No fixed release: DOWNGRADE to a release before 9.4 (Debian / Ubuntu)

apt-cache madison weblog-expert sudo apt install weblog-expert=<VERSION_BEFORE_9.4> sudo apt-mark hold weblog-expert

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

dnf --showduplicates list weblog-expert sudo dnf downgrade weblog-expert-<VERSION_BEFORE_9.4> sudo dnf versionlock add weblog-expert

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WebLog Expert Enterprise 9.4 - Authentication Bypass

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-2018-7581?

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

Is CVE-2018-7581 being exploited?

CVE-2018-7581 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-2018-7581 affect?

CVE-2018-7581 affects weblog expert. Severity is high (CVSS 7.8). \ProgramData\WebLog Expert\WebServer\WebServer.cfg in WebLog Expert Web Server Enterprise 9.4 has weak permissions (BUILTIN\Users:(ID)C), which allows local users to set a cleartext password and login as admin.

How urgent is CVE-2018-7581?

Priority 49/100. High severity; Public exploit reference

Related CVEs

CVE-2018-7582 HIGH 7.5 DOWNGRADE WebLog Expert Web Server Enterprise 9.4 allows Remote Denial Of Service (daemon crash) via a long HTTP Accept

References

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