How severe is CVE-2024-39848?

CVE-2024-39848 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-39848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-39848?

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

Does CVE-2024-39848 have an EU (EUVD) identifier?

Yes. CVE-2024-39848 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38267.

When was CVE-2024-39848 published?

CVE-2024-39848 was published on 2024-06-29 and last updated on 2026-06-17.

CVE-2024-39848

CVE-2024-39848 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. 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-1390.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38267
Weakness: CWE-1390
Published: 2024-06-29
Last modified: 2026-06-17

Description

Internet2 Grouper before 5.6 allows authentication bypass when LDAP authentication is used in certain ways. This is related to internet2.middleware.grouper.ws.security.WsGrouperLdapAuthentication and the use of the UyY29r password for the M3vwHr account. This also affects "Grouper for Web Services" before 4.13.1.

Frequently asked questions

What is CVE-2024-39848?: Internet2 Grouper before 5.6 allows authentication bypass when LDAP authentication is used in certain ways. This is related to internet2.middleware.grouper.ws.security.WsGrouperLdapAuthentication and the use of the UyY29r password for the M3vwHr account. This also affects "Grouper for Web Services" before 4.13.1.
How severe is CVE-2024-39848?: CVE-2024-39848 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-39848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-39848?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-39848 have an EU (EUVD) identifier?: Yes. CVE-2024-39848 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38267.
When was CVE-2024-39848 published?: CVE-2024-39848 was published on 2024-06-29 and last updated on 2026-06-17.

References

https://spaces.at.internet2.edu/display/Grouper/Grouper+bug+-+GRP-5515+-+web+services+LDAP+authentication+security+vulnerability

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