CVE-2024-55198: User Enumeration via Discrepancies in Error Messages in the Celk Sistemas Celk Saude v.3.1.252.1 password reco

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2024-55198 is a medium-severity flaw (CVSS 5.3) affecting celk saude. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

User Enumeration via Discrepancies in Error Messages in the Celk Sistemas Celk Saude v.3.1.252.1 password recovery functionality which allows a remote attacker to enumerate users through discrepancies in the responses.

Why this priority

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	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
Published	2025-03-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: celk

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

Am I affected?

Timeline

2025-03-13 15:15 UTCPublished CVE record published
2026-06-17 08:11 UTCUpdated Record last modified

celk celk saude DOWNGRADE

Affected: 3.1.252.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.252.1

1. Check installed version

apt-cache policy celk-saude || rpm -q celk-saude || celk-saude --version

2. No fixed release: DOWNGRADE to a release before 3.1.252.1 (Debian / Ubuntu)

apt-cache madison celk-saude sudo apt install celk-saude=<VERSION_BEFORE_3.1.252.1> sudo apt-mark hold celk-saude

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

dnf --showduplicates list celk-saude sudo dnf downgrade celk-saude-<VERSION_BEFORE_3.1.252.1> sudo dnf versionlock add celk-saude

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-2024-55198?

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

Is CVE-2024-55198 being exploited?

CVE-2024-55198 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-2024-55198 affect?

CVE-2024-55198 affects celk saude. Severity is medium (CVSS 5.3). User Enumeration via Discrepancies in Error Messages in the Celk Sistemas Celk Saude v.3.1.252.1 password recovery functionality which allows a remote attacker to enumerate users through discrepancies in the responses.

How urgent is CVE-2024-55198?

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

Related CVEs

CVE-2024-55199 MEDIUM 5.4 DOWNGRADE A Stored Cross Site Scripting (XSS) vulnerability in Celk Sistemas Celk Saude v.3.1.252.1 allows a remote atta
CVE-2024-51182 MEDIUM 6.1 DOWNGRADE HTML Injection vulnerability in Celk Sistemas Celk Saude v.3.1.252.1 allows a remote attacker to inject arbitr
CVE-2024-48761 HIGH 8.8 DOWNGRADE Reflected XSS vulnerability in Celk Sistemas Celk Saude v.3.1.252.1 allows a remote attacker to inject arbitra

References

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