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Vulnerability Intelligence

CVE-2021-30497

HighExploited

Ivanti Avalanche (Premise) 6.3.2 allows remote unauthenticated users to read arbitrary files via Absolute Path Traversal.

Published Apr 5, 2022 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2021-30497 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Avalanche (Ivanti).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jan 31, 2024. No public exploit code is known.
  • EPSS estimates a 97% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

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

EPSS (30-day exploit likelihood)

97%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

None known

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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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJan 31, 2024n/aNot reported
CIRCL KEVJan 31, 2024n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
AvalancheIvanti6.3.2n/a

Timeline

  1. Publicly disclosed

    Apr 5, 2022

  2. Added to Industry KEV feed

    Jan 31, 2024

  3. Added to CIRCL KEV

    Jan 31, 2024

  4. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

8 more references in the full CVE brief

FAQ

Common Questions.

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