CVE-2024-55210: An issue in TOTVS Framework (Linha Protheus) 12.1.2310 allows attackers to bypass multi-factor authentication

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-55210 is a critical-severity flaw (CVSS 9.8) affecting framework \(linha protheus\). Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in TOTVS Framework (Linha Protheus) 12.1.2310 allows attackers to bypass multi-factor authentication (MFA) via a crafted websocket message.

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 54%)
CISA exploited list	No
Weakness	CWE-290
Published	2025-04-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: totvs

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

Am I affected?

Timeline

2025-04-09 20:15 UTCPublished CVE record published
2026-06-17 08:11 UTCUpdated Record last modified

totvs framework \(linha protheus\) DOWNGRADE

Affected: 12.1.2310

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.1.2310

1. Check installed version

apt-cache policy framework-linha-protheus || rpm -q framework-linha-protheus || framework-linha-protheus --version

2. No fixed release: DOWNGRADE to a release before 12.1.2310 (Debian / Ubuntu)

apt-cache madison framework-linha-protheus sudo apt install framework-linha-protheus=<VERSION_BEFORE_12.1.2310> sudo apt-mark hold framework-linha-protheus

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

dnf --showduplicates list framework-linha-protheus sudo dnf downgrade framework-linha-protheus-<VERSION_BEFORE_12.1.2310> sudo dnf versionlock add framework-linha-protheus

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-2024-55210?

framework \(linha protheus\): downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-55210 being exploited?

CVE-2024-55210 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-2024-55210 affect?

CVE-2024-55210 affects framework \(linha protheus\). Severity is critical (CVSS 9.8). An issue in TOTVS Framework (Linha Protheus) 12.1.2310 allows attackers to bypass multi-factor authentication (MFA) via a crafted websocket message.

How urgent is CVE-2024-55210?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

References

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