CVE-2004-2732: nbmember.cgi in Netbilling 2.0 allows remote attackers to obtain sensitive information via the cmd=test option

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MEDIUM 4.3DOWNGRADE

CVE-2004-2732 is a medium-severity flaw (CVSS 4.3) affecting netbilling. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

nbmember.cgi in Netbilling 2.0 allows remote attackers to obtain sensitive information via the cmd=test option, which can be leveraged to determine the access key.

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	4.0% (top 9%)
CISA exploited list	No
Weakness	CWE-78
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: netbilling

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

netbilling netbilling DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy netbilling || rpm -q netbilling || netbilling --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison netbilling sudo apt install netbilling=<VERSION_BEFORE_2.0> sudo apt-mark hold netbilling

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

dnf --showduplicates list netbilling sudo dnf downgrade netbilling-<VERSION_BEFORE_2.0> sudo dnf versionlock add netbilling

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: Netbilling NBMEMBER Script - Information Disclosure

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-2004-2732?

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

Is CVE-2004-2732 being exploited?

CVE-2004-2732 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-2004-2732 affect?

CVE-2004-2732 affects netbilling. Severity is medium (CVSS 4.3). nbmember.cgi in Netbilling 2.0 allows remote attackers to obtain sensitive information via the cmd=test option, which can be leveraged to determine the access key.

How urgent is CVE-2004-2732?

Priority 43/100. EPSS top 9%: very likely to be exploited; Public exploit reference

References

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