Cyber Resilience

CVE-2021-4311

Medium

Published: 09 January 2023

Published
09 January 2023
Modified
21 November 2024
KEV Added
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Patch
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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 0.0030 53.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-4311 is a medium-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Talend Open Studio. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 46.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability classified as problematic was found in Talend Open Studio for MDM. This vulnerability affects unknown code of the component XML Handler. The manipulation leads to xml external entity reference. The patch is identified as 31d442b9fb1d518128fd18f6e4d54e06c3d67793. It is recommended…

more

to apply a patch to fix this issue. VDB-217666 is the identifier assigned to this vulnerability.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

talend
open studio
≤ 20230102_1935

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.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References