CVE-2021-30497

Name: CVE-2021-30497
Creator: NVD / NIST
Published: 2022-04-06T02:15:08.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 96.58%

Last modified Jun 17, 2026

CVE-2021-30497 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 96.58% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

96.58%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Ivanti	Avalanche	6.3.2

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

Timeline

Published: Apr 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30497?

How severe is CVE-2021-30497?

CVE-2021-30497 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 96.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30497?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30497?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST