CVE-2024-55008: JATOS 3.9.4 contains a denial-of-service (DoS) vulnerability in the authentication system, where an attacker c

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2024-55008 is a high-severity flaw (CVSS 7.5) affecting jatos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

JATOS 3.9.4 contains a denial-of-service (DoS) vulnerability in the authentication system, where an attacker can prevent legitimate users from accessing their accounts by repeatedly sending multiple failed login attempts. Specifically, by submitting 3 incorrect login attempts every minute, the attacker can trigger the account lockout mechanism on the account level, effectively locking the user out indefinitely. Since the lockout is applied to the

Why this priority

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

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-307
Published	2025-01-07
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: jatos

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-07 16:15 UTCPublished CVE record published
2026-07-05 01:21 UTCUpdated Record last modified

jatos jatos DOWNGRADE

Affected: 3.9.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.9.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.9.4 (Debian / Ubuntu)

apt-cache madison jatos sudo apt install jatos=<VERSION_BEFORE_3.9.4> sudo apt-mark hold jatos

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

dnf --showduplicates list jatos sudo dnf downgrade jatos-<VERSION_BEFORE_3.9.4> sudo dnf versionlock add jatos

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-2024-55008?

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

Is CVE-2024-55008 being exploited?

CVE-2024-55008 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-2024-55008 affect?

CVE-2024-55008 affects jatos. Severity is high (CVSS 7.5). JATOS 3.9.4 contains a denial-of-service (DoS) vulnerability in the authentication system, where an attacker can prevent legitimate users from accessing their accounts by repeatedly sending multiple failed login attempts. Specifically, by s

How urgent is CVE-2024-55008?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-51382 HIGH 8.4 DOWNGRADE Cross-Site Request Forgery (CSRF) vulnerability in JATOS v3.9.3 allows an attacker to reset the administrator'
CVE-2024-51381 HIGH 8.4 DOWNGRADE Cross-Site Request Forgery (CSRF) vulnerability in JATOS v3.9.3 that allows attackers to perform actions reser
CVE-2024-51380 HIGH 8.4 DOWNGRADE Stored Cross-Site Scripting (XSS) vulnerability discovered in the Properties Component of JATOS v3.9.3
CVE-2024-51379 HIGH 8.4 DOWNGRADE Stored Cross-Site Scripting (XSS) vulnerability discovered in JATOS v3.9.3

References

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