cbcvebase.
CVE-2022-36976
published 2023-03-29

CVE-2022-36976: This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. The specific flaw exists within…

PriorityP271critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
6.53%
93.5th percentile
This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. The specific flaw exists within the GroupDaoImpl class. A crafted request can trigger execution of SQL queries composed from a user-supplied string. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15333.

Affected

11 ranges
VendorProductVersion rangeFixed in
ivantiavalanche——
ivantiavalanche>= 6.3.2.3490 < 6.3.46.3.4
msrcwindows_10_version_1809——
msrcwindows_10_version_1909——
msrcwindows_10_version_20h2——
msrcwindows_10_version_21h1——
msrcwindows_10_version_21h2——
msrcwindows_11_version_21h2——
msrcwindows_server_2019——
msrcwindows_server_2022——
msrcwindows_server_version_20h2——

Detection & IOCsextracted from sources · hover to see the quote

  • →The vulnerability exists within the GroupDaoImpl class; monitor for crafted HTTP requests targeting this class that may contain SQL injection payloads intended to bypass authentication ↗
  • →Target product and version for detection scope: Ivanti Avalanche 6.3.2.3490; alert on unauthenticated access attempts to protected endpoints on this platform ↗
  • →Classify as SQL injection (CWE-89) leading to authentication bypass; inspect request parameters for unsanitized SQL metacharacters (e.g., quotes, comment sequences) in inputs processed by GroupDaoImpl ↗
  • ·Only Ivanti Avalanche version 6.3.2.3490 is confirmed affected per the advisory; detections should be scoped to this version to reduce false positives ↗
  • ·The vulnerability is remotely exploitable with no authentication required (CVSS 9.8 Critical), meaning pre-auth network traffic should be the primary detection surface ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv3.09.1CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vendor_msrc6.5HIGH
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