CVE-2012-6631: Cross-site request forgery (CSRF) vulnerability in accounts/admin/index.php in Vessio NetBill 1.2 allows remot

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MEDIUM 6.8DOWNGRADE

CVE-2012-6631 is a medium-severity flaw (CVSS 6.8) affecting netbill. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site request forgery (CSRF) vulnerability in accounts/admin/index.php in Vessio NetBill 1.2 allows remote attackers to hijack the authentication of administrators for requests that add accounts via a new-client action.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-352
Published	2014-01-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: vessio

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

Am I affected?

Timeline

2014-01-16 21:56 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

vessio netbill DOWNGRADE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison netbill sudo apt install netbill=<VERSION_BEFORE_1.2> sudo apt-mark hold netbill

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

dnf --showduplicates list netbill sudo dnf downgrade netbill-<VERSION_BEFORE_1.2> sudo dnf versionlock add netbill

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-2012-6631?

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

Is CVE-2012-6631 being exploited?

CVE-2012-6631 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-2012-6631 affect?

CVE-2012-6631 affects netbill. Severity is medium (CVSS 6.8). Cross-site request forgery (CSRF) vulnerability in accounts/admin/index.php in Vessio NetBill 1.2 allows remote attackers to hijack the authentication of administrators for requests that add accounts via a new-client action.

How urgent is CVE-2012-6631?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2012-6632 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Vessio NetBill 1.2 allow remote attackers to inject arb

References

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