TI-2024-26760 Aliases CVE-2024-39848 GHSA-r52c-mh2p-jmpj

Internet2 Grouper before 5.6 allows authentication bypass when LDAP authentication is…

MEDIUM 42CWE-1390Published 2024-06-29 · Updated 2025-03-27

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00438 38th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:internet2:grouper:5.6:::::::*	5.6	—	Internet2

cpe:2.3:a:internet2:grouper:5.6:*:*:*:*:*:*:* Versions 5.6 — ·Internet2

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-39848
2026-10-03 Alias added: GHSA-r52c-mh2p-jmpj

References

Other 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences