CVE-2007-2086: Multiple PHP remote file inclusion vulnerabilities in CNStats 2.9 allow remote attackers to execute arbitrary

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MEDIUM 6.8DOWNGRADE

CVE-2007-2086 is a medium-severity flaw (CVSS 6.8) affecting cnstats. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in CNStats 2.9 allow remote attackers to execute arbitrary PHP code via a URL in the bj parameter to (1) who_r.php or (2) who_s.php in reports/.

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	2.3% (top 16%)
CISA exploited list	No
Published	2007-04-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cnstats

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

Am I affected?

Timeline

2007-04-18 10:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

cnstats cnstats DOWNGRADE

Affected: 2.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.9

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.9 (Debian / Ubuntu)

apt-cache madison cnstats sudo apt install cnstats=<VERSION_BEFORE_2.9> sudo apt-mark hold cnstats

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

dnf --showduplicates list cnstats sudo dnf downgrade cnstats-<VERSION_BEFORE_2.9> sudo dnf versionlock add cnstats

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: CNStats 2.9 - 'who_r.php?bj' Remote File Inclusion

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-2007-2086?

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

Is CVE-2007-2086 being exploited?

CVE-2007-2086 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-2007-2086 affect?

CVE-2007-2086 affects cnstats. Severity is medium (CVSS 6.8). Multiple PHP remote file inclusion vulnerabilities in CNStats 2.9 allow remote attackers to execute arbitrary PHP code via a URL in the bj parameter to (1) who_r.php or (2) who_s.php in reports/.

How urgent is CVE-2007-2086?

Priority 50/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-2087 MEDIUM 6.8 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in CNStats 2.12, when register_globals is enabled and .htac

References

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