Is CVE-2021-4311 in the CISA KEV catalog?

No. CVE-2021-4311 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4311?

CVE-2021-4311 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-4311?

CVE-2021-4311 has an EPSS score of 0.67% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4311?

Upgrade open studio to 20230102_1935 or later.

CVE & CISA-KEV Catalog

CVE-2021-4311

MEDIUM

5.5

CVSS v3

NVD

Description

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

CWE-611XML External Entity (XXE)

How to fix

Remediation Available

open studioNVD

Affected:< 20230102_1935Fixed in:20230102_1935CVE-2021-4311derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

0.67%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Patch2

Third-Party Advisory2

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-34102	Critical	9.8	100%	KEV	Fix
CVE-2019-9670	Critical	9.8	100%	KEV	Fix
CVE-2022-28219	Critical	9.8	97%	-	-
CVE-2024-22024	High	8.3	95%	-	-
CVE-2024-38653	High	7.5	92%	-	-
CVE-2017-12629	Critical	9.8	92%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.