CVE-2001-1408: Directory traversal vulnerability in readmsg.php in WebMail 2.0.1 in Cobalt Qube 3 allows remote attackers to

This month

MEDIUM 5.0DOWNGRADEDOWNGRADE

CVE-2001-1408 is a medium-severity flaw (CVSS 5.0) affecting qube, webmail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in readmsg.php in WebMail 2.0.1 in Cobalt Qube 3 allows remote attackers to read arbitrary files via a .. (dot dot) in the mailbox parameter.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	8.1% (top 5%)
CISA exploited list	No
Published	2001-07-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cobalt

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

Am I affected?

Timeline

2001-07-05 04:00 UTCPublished CVE record published
2026-06-16 21:56 UTCUpdated Record last modified

cobalt qube 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 qube || rpm -q qube || qube --version

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

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

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

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

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.

cobalt webmail DOWNGRADE

Affected: 2.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.1 (Debian / Ubuntu)

apt-cache madison webmail sudo apt install webmail=<VERSION_BEFORE_2.0.1> sudo apt-mark hold webmail

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

dnf --showduplicates list webmail sudo dnf downgrade webmail-<VERSION_BEFORE_2.0.1> sudo dnf versionlock add webmail

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: Cobalt Qube Webmail 1.0 - Directory Traversal

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-2001-1408?

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

Is CVE-2001-1408 being exploited?

CVE-2001-1408 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-2001-1408 affect?

CVE-2001-1408 affects qube, webmail. Severity is medium (CVSS 5.0). Directory traversal vulnerability in readmsg.php in WebMail 2.0.1 in Cobalt Qube 3 allows remote attackers to read arbitrary files via a .. (dot dot) in the mailbox parameter.

How urgent is CVE-2001-1408?

Priority 46/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2002-1058 HIGH 10.0 DOWNGRADE Directory traversal vulnerability in splashAdmin.php for Cobalt Qube 3.0 allows local users and remote attacke

References

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