CVE-2021-4326 json
Imperative Local Command Injection allows Activity Masking
published 2023-02-22 3 y ago modified 2026-06-17 4 mo ago also GHSA-6q8m-42qq-64r7 , EUVD-2023-0909
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
A vulnerability in Imperative framework which allows already-privileged local actors to execute arbitrary shell commands via plugin install/update commands, or maliciously formed environment variables. Impacts Zowe CLI.
Patch / fix
- npm @zowe/imperative 4.18.10, 5.7.1
- Open Mainframe Project Zowe 1.28.2, 2.5.0
- github.com/zowe/imperative#900 pull request
- github.com/zowe/imperative#902 pull request
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C/CR:L/IR:X/AR:X/MAV:L/MAC:L/MPR:L/MUI:N/MS:U/MC:L/MI:X/MA:X |
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @zowe/imperative | >=5.0.0, <5.7.1 <4.18.10 |
5.7.1 4.18.10 |
Affected products
- Open Mainframe Project Zowe
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
Sources
- CVE List CVE-2021-4326
- GitHub Advisory GHSA-6q8m-42qq-64r7
- NVD CVE-2021-4326
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