CVE-2025-34064

CRITICAL EPSS 35.6%
Published Jul 1, 20251y ago · Modified Jun 17, 20262w ago
9.0 CVSS 4.0
Critical
Find Similar
Published Jul 1, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

A cloud infrastructure misconfiguration in OneLogin AD Connector results in log data being sent to a hardcoded S3 bucket (onelogin-adc-logs-production) without validating bucket ownership. An attacker who registers this unclaimed bucket can begin receiving log files from other OneLogin tenants. These logs may contain sensitive data such as directory tokens, user metadata, and environment configuration. This enables cross-tenant leakage of secrets, potentially allowing JWT signing key recovery and user impersonation.

CVSS Details

Base Score
9.0
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
35.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure
CWE-668

References 3

  • specterops.io https://specterops.io/blog/2025/06/10/onelogin-many-issues-how-i-pivoted-from-a-trial-tenant-to-compromising-customer-signing-keys/
  • support.onelogin.com https://support.onelogin.com/product-notification/noti-00001768
  • vulncheck.com https://vulncheck.com/advisories/onelogin-ad-connector-account-compromise

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.