{"id":"CVE-2021-30497","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-30497","generatedAt":"2026-10-27T20:22:55.597Z","title":"Ivanti Avalanche (Premise) 6.3.2 allows remote unauthenticated users to read arbitrary files via Absolute Path Traversal.","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.","published":"2022-04-06T02:15:08.000Z","lastModified":"2026-06-17T03:50:21.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-22"],"affected":["ivanti/avalanche"],"epss":{"score":0.9658,"percentile":0.99882,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"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."},"changes":[],"references":[{"url":"https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_US","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htm","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://forums.ivanti.com/s/article/Security-Alert-CVE-2021-30497-Directory-Traversal-Vulnerability?language=en_US","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://help.ivanti.com/wl/help/en_us/aod/5.4/Avalanche/Console/Launching_the_Avalanche.htm","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ssd-disclosure.com/ssd-advisory-ivanti-avalanche-directory-traversal/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30497","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}