CVE-2002-1884: index.php in Py-Membres 3.1 allows remote attackers to log in as an administrator by setting the pymembs param

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HIGH 7.5DOWNGRADE

CVE-2002-1884 is a high-severity flaw (CVSS 7.5) affecting py-membres. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

index.php in Py-Membres 3.1 allows remote attackers to log in as an administrator by setting the pymembs parameter to "admin".

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: py-membres

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

py-membres py-membres DOWNGRADE

Affected: 3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1

1. Check installed version

apt-cache policy py-membres || rpm -q py-membres || py-membres --version

2. No fixed release: DOWNGRADE to a release before 3.1 (Debian / Ubuntu)

apt-cache madison py-membres sudo apt install py-membres=<VERSION_BEFORE_3.1> sudo apt-mark hold py-membres

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

dnf --showduplicates list py-membres sudo dnf downgrade py-membres-<VERSION_BEFORE_3.1> sudo dnf versionlock add py-membres

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: Py-Membres 3.1 - 'index.php' Unauthorized Access

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-2002-1884?

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

Is CVE-2002-1884 being exploited?

CVE-2002-1884 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-2002-1884 affect?

CVE-2002-1884 affects py-membres. Severity is high (CVSS 7.5). index.php in Py-Membres 3.1 allows remote attackers to log in as an administrator by setting the pymembs parameter to "admin".

How urgent is CVE-2002-1884?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2003-0751 HIGH 7.5 DOWNGRADE SQL injection vulnerability in pass_done.php for PY-Membres 4.2 and earlier allows remote attackers to execute
CVE-2003-0750 HIGH 7.5 DOWNGRADE secure.php in PY-Membres 4.2 and earlier allows remote attackers to bypass authentication by setting the admin

References

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