CVE-2021-30497

high-risk
Published 2022-04-06

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.

Do I need to act?

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92.7% chance of exploitation in next 30 days
EPSS score — higher than 7% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ivanti

References (6)

Patch https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Trav...
Vendor Advisory https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Av...
Exploit https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/
Patch https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Trav...
Vendor Advisory https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Av...
Exploit https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/
51
/ 100
high-risk
Severity 26/34 · High
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal