Cyber Resilience

CVE-2022-21699

HighPublic PoCLPE

Published: 19 January 2022

Published
19 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0106 78.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-21699 is a high-severity Execution with Unnecessary Privileges (CWE-250) vulnerability in Ipython Ipython. Its CVSS base score is 8.2 (High).

Operationally, ranked in the top 21.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

IPython (Interactive Python) is a command shell for interactive computing in multiple programming languages, originally developed for the Python programming language. Affected versions are subject to an arbitrary code execution vulnerability achieved by not properly managing cross user temporary files.…

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This vulnerability allows one user to run code as another on the same machine. All users are advised to upgrade.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ipython
ipython
≤ 5.10.0 · 6.0.0 — 7.16.3 · 7.17.0 — 7.31.1
debian
debian linux
10.0, 11.0, 9.0
fedoraproject
fedora
34, 35

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-269 CWE-250

Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.

addresses: CWE-269 CWE-250

Access supervision ensures privileges are assigned and managed without improper escalation or retention.

addresses: CWE-269 CWE-250

Assigning group/role memberships and access authorizations (privileges) while reviewing accounts addresses improper privilege management.

addresses: CWE-250 CWE-269

Separation of duties prevents any single user from holding all privileges needed to complete a critical task, directly reducing execution with unnecessary privileges.

addresses: CWE-250 CWE-269

Directly prevents execution with more privileges than needed for assigned tasks.

addresses: CWE-250 CWE-269

Role-based training on least privilege principles reduces the chance personnel assign or retain unnecessary privileges.

addresses: CWE-250 CWE-269

Analysis of audit records can identify execution with unnecessary privileges through unusual activity patterns.

addresses: CWE-269 CWE-250

Terminating and reviewing connections manages privileges associated with internal interfaces.

References