Cyber Resilience

CVE-2021-28113

MediumPublic PoCRCE

Published: 02 April 2021

Published
02 April 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
EPSS Score 0.0301 86.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28113 is a medium-severity OS Command Injection (CWE-78) vulnerability in Okta Access Gateway. Its CVSS base score is 6.7 (Medium).

Operationally, ranked in the top 13.1% 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

A command injection vulnerability in the cookieDomain and relayDomain parameters of Okta Access Gateway before 2020.9.3 allows attackers (with admin access to the Okta Access Gateway UI) to execute OS commands as a privileged system account.

CWE(s)
CWE-78

Related Threats

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

Affected Assets

okta
access gateway
≤ 2020.8.4

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.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References