CVE-2023-33282: Marval MSM through 14.19.0.12476 and 15.0 has a System account with default credentials

Q: How do I fix CVE-2023-33282?

msm: upgrade to newer than 14.19.0.12476. Exact commands for each OS are on this page.

Q: Is CVE-2023-33282 being exploited?

CVE-2023-33282 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-2023-33282 affect?

CVE-2023-33282 affects msm. Severity is critical (CVSS 9.8). Marval MSM through 14.19.0.12476 and 15.0 has a System account with default credentials. A remote attacker is able to login and create a valid session. This makes it possible to make backend calls to endpoints in the application.

Q: How urgent is CVE-2023-33282?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-33282 is a critical-severity flaw (CVSS 9.8) affecting msm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Marval MSM through 14.19.0.12476 and 15.0 has a System account with default credentials. A remote attacker is able to login and create a valid session. This makes it possible to make backend calls to endpoints in the application.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-06-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: marvalglobal

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

Am I affected?

Timeline

2023-06-07 20:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

marvalglobal msm UPGRADE

Affected: <= 14.19.0.12476 · 15.0

Fixed in: newer than 14.19.0.12476

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 14.19.0.12476 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade msm

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-2023-33282?

msm: upgrade to newer than 14.19.0.12476. Exact commands for each OS are on this page.

Is CVE-2023-33282 being exploited?

CVE-2023-33282 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-2023-33282 affect?

CVE-2023-33282 affects msm. Severity is critical (CVSS 9.8). Marval MSM through 14.19.0.12476 and 15.0 has a System account with default credentials. A remote attacker is able to login and create a valid session. This makes it possible to make backend calls to endpoints in the application.

How urgent is CVE-2023-33282?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-33284 HIGH 8.8 UPGRADE Marval MSM through 14.19.0.12476 and 15.0 has a Remote Code Execution vulnerability
CVE-2023-33283 MEDIUM 5.5 UPGRADE Marval MSM through 14.19.0.12476 uses a static encryption key for secrets

References

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