Vulnerability Details CVE-2021-30497
Ivanti Avalanche (Premise) 6.3.2 allows remote unauthenticated users to read arbitrary files via Absolute Path Traversal. The imageFilePath parameter processed by the /AvalancheWeb/image endpoint is not verified to be within the scope of the image folder, e.g., the attacker can obtain sensitive information via the C:/Windows/system32/config/system.sav value.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.932
EPSS Ranking 99.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_US
- https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htm
- https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/
- https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_US
- https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htm
- https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/