Cyber Resilience

CVE-2021-4245

MediumPublic PoC

Published: 15 December 2022

Published
15 December 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0069 72.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-4245 is a medium-severity Injection (CWE-74) vulnerability in Rfc6902 Project Rfc6902. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 27.7% 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 vulnerability classified as problematic has been found in chbrown rfc6902. This affects an unknown part of the file pointer.ts. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The exploit has been disclosed to the…

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public and may be used. The name of the patch is c006ce9faa43d31edb34924f1df7b79c137096cf. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-215883.

CWE(s)

Related Threats

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

Affected Assets

rfc6902 project
rfc6902
≤ 5.0.0

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-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References