Vulnerability · Published Apr 6, 2022 · Assigned by mitre
CVE-2021-30497
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 96.6% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)96.6%top 0.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official description
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.
Affected products (as reported)
References
- https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htm x_refsource_MISC
- https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/ x_refsource_MISC
- https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_US x_refsource_MISC