CVE-2024-6739: The session cookie in MailGates and MailAudit from Openfind does not have the HttpOnly flag enabled, allowing

Q: How do I fix CVE-2024-6739?

mailaudit: upgrade to 6.1.7.040; mailgates: upgrade to 6.1.7.040. Exact commands for each OS are on this page.

Q: Is CVE-2024-6739 being exploited?

CVE-2024-6739 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-6739 affect?

CVE-2024-6739 affects mailaudit, mailgates. Severity is medium (CVSS 5.3). The session cookie in MailGates and MailAudit from Openfind does not have the HttpOnly flag enabled, allowing remote attackers to potentially steal the session cookie via XSS.

Q: How urgent is CVE-2024-6739?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.3REMOTEUPGRADEUPGRADE

CVE-2024-6739 is a medium-severity flaw (CVSS 5.3) affecting mailaudit, mailgates. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The session cookie in MailGates and MailAudit from Openfind does not have the HttpOnly flag enabled, allowing remote attackers to potentially steal the session cookie via XSS.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-1004, CWE-732
Published	2024-07-15
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: openfind

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

Am I affected?

Timeline

2024-07-15 04:15 UTCPublished CVE record published
2026-06-17 08:18 UTCUpdated Record last modified

openfind mailaudit UPGRADE

Affected: < 6.1.7.040

Fixed in: 6.1.7.040

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 6.1.7.040 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mailaudit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mailaudit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

openfind mailgates UPGRADE

Affected: < 6.1.7.040

Fixed in: 6.1.7.040

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 6.1.7.040 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mailgates

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mailgates

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2024-6739?

mailaudit: upgrade to 6.1.7.040; mailgates: upgrade to 6.1.7.040. Exact commands for each OS are on this page.

Is CVE-2024-6739 being exploited?

CVE-2024-6739 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-2024-6739 affect?

CVE-2024-6739 affects mailaudit, mailgates. Severity is medium (CVSS 5.3). The session cookie in MailGates and MailAudit from Openfind does not have the HttpOnly flag enabled, allowing remote attackers to potentially steal the session cookie via XSS.

How urgent is CVE-2024-6739?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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