VulnerabilityModified
CVE-2021-30497
Ivanti Avalanche (Premise) 6.3.2 allows remote unauthenticated users to read arbitrary files via Absolute Path Traversal.
HIGH 7.5EPSS 96.6%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 96.6%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 96.58% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- ivanti/avalanche
- Source
- cve@mitre.org
References
- https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_USPatch, Vendor Advisory
- https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htmVendor Advisory
- https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/Exploit, Third Party Advisory
- https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_USPatch, Vendor Advisory
- https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htmVendor Advisory
- https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.