CVE-2002-0513: The PHP administration script in popper_mod 1.2.1 and earlier relies on Apache .htaccess authentication, which

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HIGH 10.0WATCHLISTDOWNGRADE

CVE-2002-0513 is a high-severity flaw (CVSS 10.0) affecting popper mod. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PHP administration script in popper_mod 1.2.1 and earlier relies on Apache .htaccess authentication, which allows remote attackers to gain privileges if the script is not appropriately configured by the administrator.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
On your watchlist

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: symatec

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

Am I affected?

Timeline

2002-08-12 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

symatec popper mod DOWNGRADE

Affected: 1.0 · 1.2 · 1.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy popper-mod || rpm -q popper-mod || popper-mod --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison popper-mod sudo apt install popper-mod=<VERSION_BEFORE_1.0> sudo apt-mark hold popper-mod

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

dnf --showduplicates list popper-mod sudo dnf downgrade popper-mod-<VERSION_BEFORE_1.0> sudo dnf versionlock add popper-mod

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-2002-0513?

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

Is CVE-2002-0513 being exploited?

CVE-2002-0513 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-2002-0513 affect?

CVE-2002-0513 affects popper mod. Severity is high (CVSS 10.0). The PHP administration script in popper_mod 1.2.1 and earlier relies on Apache .htaccess authentication, which allows remote attackers to gain privileges if the script is not appropriately configured by the administrator.

How urgent is CVE-2002-0513?

Priority 63/100. Critical severity; EPSS top 8%: very likely to be exploited; On your watchlist

Software pages

PHP vulnerabilities

References

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