How severe is CVE-2021-30497?

CVE-2021-30497 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-30497 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30497?

CVE-2021-30497 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-30497?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-30497 published?

CVE-2021-30497 was published on 2022-04-06 and last updated on 2026-06-17.

CVE-2021-30497

CVE-2021-30497 is a high-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 97% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Ivanti Avalanche
Published: 2022-04-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-30497?: 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.
How severe is CVE-2021-30497?: CVE-2021-30497 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-30497 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30497?: CVE-2021-30497 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30497?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-30497 published?: CVE-2021-30497 was published on 2022-04-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ivanti:avalanche:6.3.2:*:*:*:*:windows:*:*

More vulnerabilities in Ivanti Avalanche

CVE-2023-38036 — Critical (CVSS 9.8): A security vulnerability within Ivanti Avalanche Manager before version 6.4.1 may allow an unauthenticated attacker to…
CVE-2024-29204 — Critical (CVSS 9.8): A Heap Overflow vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows a remote…
CVE-2024-24996 — Critical (CVSS 9.8): A Heap overflow vulnerability in WLInfoRailService component of Ivanti Avalanche before 6.4.3 allows an unauthenticated…
CVE-2024-22061 — Critical (CVSS 9.8): A Heap Overflow vulnerability in WLInfoRailService component of Ivanti Avalanche before 6.4.3 allows a remote…
CVE-2023-46265 — Critical (CVSS 9.8): An unauthenticated could abuse a XXE vulnerability in the Smart Device Server to leak data or perform a Server-Side…
CVE-2023-46264 — Critical (CVSS 9.8): An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.4.1 and below that…

All CVEs affecting Ivanti Avalanche →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →