CVE-2023-27464: A vulnerability has been identified in Mendix Forgot Password (Mendix 7 compatible) (All versions < V3.7.1), M

Q: How urgent is CVE-2023-27464?

Priority 33/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2023-27464 is a medium-severity flaw (CVSS 5.3) affecting forgot password. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been identified in Mendix Forgot Password (Mendix 7 compatible) (All versions < V3.7.1), Mendix Forgot Password (Mendix 8 compatible) (All versions < V4.1.1), Mendix Forgot Password (Mendix 9 compatible) (All versions < V5.1.1). The affected versions of the module contain an observable response discrepancy issue that could allow an attacker to retrieve sensitive information.

Why this priority

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	0.5% (top 61%)
CISA exploited list	No
Weakness	CWE-204, CWE-203
Published	2023-04-11
Last modified	2026-10-24

Publisher (CNA): Siemens AG · Vendor: mendix

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-11 10:15 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

mendix forgot password UPGRADE

Affected: < 3.7.1 · >= 4.0.0 and < 4.1.1 · >= 5.0.0 and < 5.1.1

Fixed in: 3.7.1, 4.1.1, 5.1.1

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy forgot-password || rpm -q forgot-password || forgot-password --version

2. UPGRADE to 3.7.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade forgot-password

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade forgot-password

Note

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

3. If no update is available yet, DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison forgot-password sudo apt install forgot-password=<VERSION_BEFORE_4.0.0> sudo apt-mark hold forgot-password

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list forgot-password sudo dnf downgrade forgot-password-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add forgot-password

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.

Exact fixes by distribution

Fedora 46 · sugar-calculator · FIXED · 47-14.fc46 · FEDORA-2026-38eeb9e279 · source

sudo dnf upgrade --advisory=FEDORA-2026-38eeb9e279

Fedora ELN · selinux-policy · FIXED · 45.23-1.eln159 · FEDORA-2026-3668c969a2 · source

sudo dnf upgrade --advisory=FEDORA-2026-3668c969a2

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-2023-27464?

forgot password: upgrade to 3.7.1, 4.1.1, 5.1.1. Exact commands for each OS are on this page.

Is CVE-2023-27464 being exploited?

CVE-2023-27464 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-2023-27464 affect?

CVE-2023-27464 affects forgot password. Severity is medium (CVSS 5.3). A vulnerability has been identified in Mendix Forgot Password (Mendix 7 compatible) (All versions < V3.7.1), Mendix Forgot Password (Mendix 8 compatible) (All versions < V4.1.1), Mendix Forgot Password (Mendix 9 compatible) (All versions <

How urgent is CVE-2023-27464?

Priority 33/100. Remotely exploitable, no login, no user action

References

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