CVE-2002-0532: EMU Webmail allows local users to execute arbitrary programs via a .

Routine

HIGH 7.2WATCHLISTDOWNGRADEDOWNGRADEDOWNGRADE

CVE-2002-0532 is a high-severity flaw (CVSS 7.2) affecting emumail, emumail red hat linux, emumail unix. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

EMU Webmail allows local users to execute arbitrary programs via a .. (dot dot) in the HTTP Host header that points to a Trojan horse configuration file that contains a pageroot specifier that contains shell metacharacters.

Why this priority

High severity
On your watchlist

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.3% (top 71%)
CISA exploited list	No
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: emumail

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

emumail emumail DOWNGRADE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison emumail sudo apt install emumail=<VERSION_BEFORE_3.0> sudo apt-mark hold emumail

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

dnf --showduplicates list emumail sudo dnf downgrade emumail-<VERSION_BEFORE_3.0> sudo dnf versionlock add emumail

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.

emumail emumail red hat linux DOWNGRADE

Affected: 5.0 · 5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy emumail-red-hat-linux || rpm -q emumail-red-hat-linux || emumail-red-hat-linux --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison emumail-red-hat-linux sudo apt install emumail-red-hat-linux=<VERSION_BEFORE_5.0> sudo apt-mark hold emumail-red-hat-linux

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

dnf --showduplicates list emumail-red-hat-linux sudo dnf downgrade emumail-red-hat-linux-<VERSION_BEFORE_5.0> sudo dnf versionlock add emumail-red-hat-linux

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.

emumail emumail unix DOWNGRADE

Affected: 5.0 · 5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy emumail-unix || rpm -q emumail-unix || emumail-unix --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison emumail-unix sudo apt install emumail-unix=<VERSION_BEFORE_5.0> sudo apt-mark hold emumail-unix

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

dnf --showduplicates list emumail-unix sudo dnf downgrade emumail-unix-<VERSION_BEFORE_5.0> sudo dnf versionlock add emumail-unix

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-2002-0532?

emumail: downgrade or apply the listed mitigation; emumail red hat linux: downgrade or apply the listed mitigation; emumail unix: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0532 being exploited?

CVE-2002-0532 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-2002-0532 affect?

CVE-2002-0532 affects emumail, emumail red hat linux, emumail unix. Severity is high (CVSS 7.2). EMU Webmail allows local users to execute arbitrary programs via a .. (dot dot) in the HTTP Host header that points to a Trojan horse configuration file that contains a pageroot specifier that contains shell metacharacters.

How urgent is CVE-2002-0532?

Priority 37/100. High severity; On your watchlist

Related CVEs

CVE-2002-0531 MEDIUM 5.0 DOWNGRADE DOWNGRADE Directory traversal vulnerability in emumail.cgi in EMU Webmail 4.5.x and 5.1.0 allows remote attackers to rea

References

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