CVE-2024-24133: Atmail v6.6.0 was discovered to contain a SQL injection vulnerability via the username parameter on the login

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-24133 is a critical-severity flaw (CVSS 9.8) affecting atmail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Atmail v6.6.0 was discovered to contain a SQL injection vulnerability via the username parameter on the login page.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-89
Published	2024-02-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: atmail

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-07 14:15 UTCPublished CVE record published
2026-06-17 07:14 UTCUpdated Record last modified

atmail atmail DOWNGRADE

Affected: 6.3.0 · 6.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.3.0 (Debian / Ubuntu)

apt-cache madison atmail sudo apt install atmail=<VERSION_BEFORE_6.3.0> sudo apt-mark hold atmail

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

dnf --showduplicates list atmail sudo dnf downgrade atmail-<VERSION_BEFORE_6.3.0> sudo dnf versionlock add atmail

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-2024-24133?

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

Is CVE-2024-24133 being exploited?

CVE-2024-24133 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-2024-24133 affect?

CVE-2024-24133 affects atmail. Severity is critical (CVSS 9.8). Atmail v6.6.0 was discovered to contain a SQL injection vulnerability via the username parameter on the login page.

How urgent is CVE-2024-24133?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

References

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