CVE-2024-52598: 2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes

Q: How do I fix CVE-2024-52598?

2fauth: upgrade to 5.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-52598 being exploited?

CVE-2024-52598 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-2024-52598 affect?

CVE-2024-52598 affects 2fauth. Severity is high (CVSS 7.5). 2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Two interconnected vulnerabilities exist in version 5.4.1 a SSRF and URI validation bypass issue. The endpoint at POST /api/v1/twofacc

Q: How urgent is CVE-2024-52598?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2024-52598 is a high-severity flaw (CVSS 7.5) affecting 2fauth. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Two interconnected vulnerabilities exist in version 5.4.1 a SSRF and URI validation bypass issue. The endpoint at POST /api/v1/twofaccounts/preview allows setting a remote URI to retrieve the image of a 2fa site. By abusing this functionality, it is possible to force the application to make a GET request to an arbitrary URL, whose content wil

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79, CWE-80, CWE-918
Published	2024-11-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: 2fauth

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

Am I affected?

Timeline

2024-11-20 15:15 UTCPublished CVE record published
2026-06-17 08:07 UTCUpdated Record last modified

2fauth 2fauth UPGRADE

Affected: < 5.4.1

Fixed in: 5.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy 2fauth || rpm -q 2fauth || 2fauth --version

2. UPGRADE to 5.4.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade 2fauth

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 2fauth

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-2024-52598?

2fauth: upgrade to 5.4.1. Exact commands for each OS are on this page.

Is CVE-2024-52598 being exploited?

CVE-2024-52598 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-2024-52598 affect?

CVE-2024-52598 affects 2fauth. Severity is high (CVSS 7.5). 2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Two interconnected vulnerabilities exist in version 5.4.1 a SSRF and URI validation bypass issue. The endpoint at POST /api/v1/twofacc

How urgent is CVE-2024-52598?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-45731 MEDIUM 6.5 DOWNGRADE A group deletion race condition in 2FAuth v5.5.0 causes data inconsistencies and orphaned accounts when a grou
CVE-2024-52597 MEDIUM 6.1 UPGRADE 2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes

References

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