A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code execution
Published Dec 7, 2021
8.8
HIGHCVSS 3.1
EPSS 62.24%
Description
A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code execution.
Affected products
- Vendor n/a Product Ivanti Avalanche Defaultn/a
- Version 6.3.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Ivanti Avalanche | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 62.24% (0.62244) | 99.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 62.24% (0.62244) | 99.07th | v5 (v2026.06.15) |
| Nov 21, 2025 | 76.66% (0.76657) | 98.89th | v4 (v2025.03.14) |
| Nov 18, 2025 | 74.71% (0.74709) | 98.93th | v4 (v2025.03.14) |
| Nov 15, 2025 | 76.66% (0.76657) | 98.88th | v4 (v2025.03.14) |
| Mar 30, 2025 | 54.26% (0.54257) | 97.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 71.82% (0.71818) | 98.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 54.26% (0.54257) | 97.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.61% (0.00611) | 79.35th | v3 (v2023.03.01) |
| Jun 17, 2024 | 0.54% (0.00542) | 77.42th | v3 (v2023.03.01) |
| May 8, 2024 | 0.66% (0.00659) | 79.43th | v3 (v2023.03.01) |
| Apr 9, 2024 | 0.94% (0.00943) | 82.81th | v3 (v2023.03.01) |
| Sep 26, 2023 | 1.33% (0.01332) | 84.45th | v3 (v2023.03.01) |
| Jun 30, 2023 | 1.61% (0.01606) | 85.66th | v3 (v2023.03.01) |
| May 20, 2023 | 2.40% (0.02398) | 88.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.44% (0.02441) | 88.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.09% (0.01086) | 51.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.36% (0.15362) | 92.49th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.20% (0.03197) | 66.46th | v1 |
| Jan 6, 2022 | 3.20% (0.03197) | 66.14th | v1 |
| Dec 8, 2021 | 0.73% (0.00731) | 50.22th | v1 |
References (1)
- https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.