CVE-2021-42129
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with...
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
- Record
CVE-2021-42129- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-77
- Updated
- 2026-11-02
CVE List No score
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
- Record
CVE-2021-42129- Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2021-29114 No score
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
- Record
EUVD-2021-29114- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjpp-82mc-9gw6 No score
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with...
A command injection vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary command execution.
- Record
GHSA-qjpp-82mc-9gw6- Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42129 is a high vulnerability (CVSS 8.8) in Ivanti Avalanche, published December 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 77.3%, the 99th percentile. No source names a fixed version.