How severe is CVE-2024-38523?

CVE-2024-38523 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-38523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-38523?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-38523 have an EU (EUVD) identifier?

Yes. CVE-2024-38523 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37392.

When was CVE-2024-38523 published?

CVE-2024-38523 was published on 2024-06-27 and last updated on 2026-06-17.

CVE-2024-38523

CVE-2024-38523 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37392
Weakness: CWE-287
Published: 2024-06-27
Last modified: 2026-06-17

Description

Hush Line is a free and open-source, anonymous-tip-line-as-a-service for organizations or individuals. The TOTP authentication flow has multiple issues that weakens its one-time nature. Specifically, the lack of 2FA for changing security settings allows attacker with CSRF or XSS primitives to change such settings without user interaction and credentials are required. This vulnerability has been patched in version 0.10.

Frequently asked questions

What is CVE-2024-38523?: Hush Line is a free and open-source, anonymous-tip-line-as-a-service for organizations or individuals. The TOTP authentication flow has multiple issues that weakens its one-time nature. Specifically, the lack of 2FA for changing security settings allows attacker with CSRF or XSS primitives to change such settings without user interaction and credentials are required. This vulnerability has been patched in version 0.10.
How severe is CVE-2024-38523?: CVE-2024-38523 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-38523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-38523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-38523 have an EU (EUVD) identifier?: Yes. CVE-2024-38523 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37392.
When was CVE-2024-38523 published?: CVE-2024-38523 was published on 2024-06-27 and last updated on 2026-06-17.

References

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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