CVE-2007-1640: Multiple PHP remote file inclusion vulnerabilities in ClassWeb 2.03 and earlier allow remote attackers to exec

Q: How do I fix CVE-2007-1640?

classweb: upgrade to newer than 2.03. Exact commands for each OS are on this page.

Q: Is CVE-2007-1640 being exploited?

CVE-2007-1640 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-1640 affect?

CVE-2007-1640 affects classweb. Severity is high (CVSS 10.0). Multiple PHP remote file inclusion vulnerabilities in ClassWeb 2.03 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the BASE parameter to (1) language.php and (2) phpadmin/survey.php.

Q: How urgent is CVE-2007-1640?

Priority 63/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference

This week

HIGH 10.0UPGRADE

CVE-2007-1640 is a high-severity flaw (CVSS 10.0) affecting classweb. 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 ClassWeb 2.03 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the BASE parameter to (1) language.php and (2) phpadmin/survey.php.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.8% (top 8%)
CISA exploited list	No
Published	2007-03-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: classweb

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

Am I affected?

Timeline

2007-03-23 23:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

classweb classweb UPGRADE

Affected: <= 2.03

Fixed in: newer than 2.03

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.03 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade classweb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade classweb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: ClassWeb 2.0.3 - 'BASE' 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-2007-1640?

classweb: upgrade to newer than 2.03. Exact commands for each OS are on this page.

Is CVE-2007-1640 being exploited?

CVE-2007-1640 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-2007-1640 affect?

CVE-2007-1640 affects classweb. Severity is high (CVSS 10.0). Multiple PHP remote file inclusion vulnerabilities in ClassWeb 2.03 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the BASE parameter to (1) language.php and (2) phpadmin/survey.php.

How urgent is CVE-2007-1640?

Priority 63/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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