CVE-2001-1050: CCCSoftware CCC PHP script allows remote attackers to include arbitrary files from remote web sites via an HTT

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HIGH 7.5DOWNGRADE

CVE-2001-1050 is a high-severity flaw (CVSS 7.5) affecting ccc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CCCSoftware CCC PHP script allows remote attackers to include arbitrary files from remote web sites via an HTTP request that sets the includedir variable.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Published	2001-10-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cccsoftware

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

Am I affected?

Timeline

2001-10-02 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

cccsoftware ccc DOWNGRADE

Affected: 0.91 · 0.92 · 0.94 · 0.95 · 0.96 · 0.97 · 0.98 · 0.99

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.91

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.91 (Debian / Ubuntu)

apt-cache madison ccc sudo apt install ccc=<VERSION_BEFORE_0.91> sudo apt-mark hold ccc

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

dnf --showduplicates list ccc sudo dnf downgrade ccc-<VERSION_BEFORE_0.91> sudo dnf versionlock add ccc

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-2001-1050?

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

Is CVE-2001-1050 being exploited?

CVE-2001-1050 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-2001-1050 affect?

CVE-2001-1050 affects ccc. Severity is high (CVSS 7.5). CCCSoftware CCC PHP script allows remote attackers to include arbitrary files from remote web sites via an HTTP request that sets the includedir variable.

How urgent is CVE-2001-1050?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

References

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