CVE-2018-5329: ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) on /CWEBNET/* authe

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HIGH 8.8DOWNGRADE

CVE-2018-5329 is a high-severity flaw (CVSS 8.8) affecting contractorweb.net. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) on /CWEBNET/* authenticated pages. A successful CSRF attack can force the user to modify state: creating users, changing an email address, and so forth. If the victim is an administrative account, CSRF can compromise the entire web application.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-352
Published	2018-01-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: beims

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

Am I affected?

Timeline

2018-01-15 21:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

beims contractorweb.net DOWNGRADE

Affected: 5.18.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.18.0.0

1. Check installed version

apt-cache policy contractorweb.net || rpm -q contractorweb.net || contractorweb.net --version

2. No fixed release: DOWNGRADE to a release before 5.18.0.0 (Debian / Ubuntu)

apt-cache madison contractorweb.net sudo apt install contractorweb.net=<VERSION_BEFORE_5.18.0.0> sudo apt-mark hold contractorweb.net

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

dnf --showduplicates list contractorweb.net sudo dnf downgrade contractorweb.net-<VERSION_BEFORE_5.18.0.0> sudo dnf versionlock add contractorweb.net

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-2018-5329?

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

Is CVE-2018-5329 being exploited?

CVE-2018-5329 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-2018-5329 affect?

CVE-2018-5329 affects contractorweb.net. Severity is high (CVSS 8.8). ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) on /CWEBNET/* authenticated pages. A successful CSRF attack can force the user to modify state: creating users, changing an email address, and so for

How urgent is CVE-2018-5329?

Priority 47/100. High severity; Public exploit reference

Related CVEs

CVE-2018-5328 CRITICAL 9.8 DOWNGRADE ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 allows access to various /UserManagement/ privileged modules without a

References

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