CVSS: 9.1EPSS: 0%CPEs: 1EXPL: 0CVE-2023-32566 – Ivanti Avalanche SecureFilter allowPassThrough Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2023-32566
An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack. Fixed in version 6.4.1. This vulnerability allows remote attackers to partially bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability. The specific flaw exists within the allowPassThrough method. The issue results from incorrect string matching when making an authorization decision. • https://forums.ivanti.com/s/article/Avalanche-Vulnerabilities-Addressed-in-6-4-1?language=en_US •
CVSS: 9.8EPSS: 1%CPEs: 1EXPL: 0CVE-2023-32567 – Ivanti Avalanche decodeToMap XML External Entity Processing Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2023-32567
Ivanti Avalanche decodeToMap XML External Entity Processing. Fixed in version 6.4.1.236 This vulnerability allows remote attackers to disclose sensitive information on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability. The specific flaw exists within the decodeToMap method. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. • https://download.wavelink.com/Files/avalanche_v6.4.1.236_release_notes.txt • CWE-611: Improper Restriction of XML External Entity Reference •
CVSS: 8.8EPSS: 2%CPEs: 1EXPL: 0CVE-2023-28126 – Ivanti Avalanche EnterpriseServer GetSettings Exposed Dangerous Method Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2023-28126
An authentication bypass vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to gain access by exploiting the SetUser method or can exploit the Race Condition in the authentication message. This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the GetSettings class. The issue results from the exposure of a dangerous method or function to unprivileged users. An attacker can leverage this vulnerability to bypass authentication on the system. • https://forums.ivanti.com/s/article/ZDI-CAN-17750-Ivanti-Avalanche-EnterpriseServer-GetSettings-Exposed-Dangerous-Method-Authentication-Bypass-Vulnerability?language=en_US • CWE-305: Authentication Bypass by Primary Weakness CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 8.0EPSS: 2%CPEs: 1EXPL: 0CVE-2023-28125 – Ivanti Avalanche InfoRail Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2023-28125
An improper authentication vulnerability exists in Avalanche Premise versions 6.3.x and below that could allow an attacker to gain access to the server by registering to receive messages from the server and perform an authentication bypass. This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. User interaction is required to exploit this vulnerability. The specific flaw exists within the InfoRail service. The issue results from improper authentication. An attacker can leverage this vulnerability to bypass authentication on the system. • https://forums.ivanti.com/s/article/ZDI-CAN-17729-CVE-2023-28125-Bug-958437-ZDI-CAN-17729-Ivanti-Avalanche-InfoRail-Authentication-Bypass-Vulnerability?language=en_US • CWE-287: Improper Authentication CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2023-28127 – Ivanti Avalanche getLogFile Directory Traversal Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2023-28127
A path traversal vulnerability exists in Avalanche version 6.3.x and below that when exploited could result in possible information disclosure. This vulnerability allows remote attackers to read arbitrary files on affected installations of Ivanti Avalanche. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the getLogFile function. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. • https://forums.ivanti.com/s/article/ZDI-CAN-17769-Ivanti-Avalanche-getLogFile-Directory-Traversal-Information-Disclosure?language=en_US • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •