CVE-2004-2313: Inter7 SqWebMail 3.4.1 through 3.6.1 generates different error messages for incorrect passwords versus correct

Routine

MEDIUM 5.0DOWNGRADE

CVE-2004-2313 is a medium-severity flaw (CVSS 5.0) affecting sqwebmail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Inter7 SqWebMail 3.4.1 through 3.6.1 generates different error messages for incorrect passwords versus correct passwords on non-mail-enabled accounts (such as root), which allows remote attackers to guess the root password via brute force attacks.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: inter7

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

inter7 sqwebmail DOWNGRADE

Affected: 3.4.1 · 3.5.0 · 3.5.1 · 3.5.2 · 3.5.3 · 3.6.0 · 3.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.4.1 (Debian / Ubuntu)

apt-cache madison sqwebmail sudo apt install sqwebmail=<VERSION_BEFORE_3.4.1> sudo apt-mark hold sqwebmail

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

dnf --showduplicates list sqwebmail sudo dnf downgrade sqwebmail-<VERSION_BEFORE_3.4.1> sudo dnf versionlock add sqwebmail

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-2004-2313?

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

Is CVE-2004-2313 being exploited?

CVE-2004-2313 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-2004-2313 affect?

CVE-2004-2313 affects sqwebmail. Severity is medium (CVSS 5.0). Inter7 SqWebMail 3.4.1 through 3.6.1 generates different error messages for incorrect passwords versus correct passwords on non-mail-enabled accounts (such as root), which allows remote attackers to guess the root password via brute force a

How urgent is CVE-2004-2313?

Priority 37/100. No elevated risk signals yet.

Related CVEs

CVE-2005-2820 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 allows remote attackers to inject arbitrary web sc
CVE-2005-2769 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 and possibly other versions allows remote attacker
CVE-2005-2724 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 allows remote attackers to inject arbitrary web sc
CVE-2005-1308 HIGH 7.5 DOWNGRADE SqWebMail allows remote attackers to inject arbitrary web script or HTML via CRLF sequences in the redirect pa
CVE-2004-0591 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in the print_header_uc function for SqWebMail 4.0.4 and earlier, and

References

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