Cyber Resilience

CVE-2021-23772

HighPublic PoC

Published: 24 December 2021

Published
24 December 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0088 75.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23772 is a high-severity Link Following (CWE-59) vulnerability in Iris-Go Iris. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 24.1% 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

This affects all versions of package github.com/kataras/iris; all versions of package github.com/kataras/iris/v12. The unsafe handling of file names during upload using UploadFormFiles method may enable attackers to write to arbitrary locations outside the designated target folder.

CWE(s)
CWE-59

Related Threats

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

Affected Assets

iris-go
iris
12.2.0 · ≤ 12.1.8

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References