Is CVE-2021-34306 in the CISA KEV catalog?

No. CVE-2021-34306 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34306?

CVE-2021-34306 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-34306?

CVE-2021-34306 has an EPSS score of 1.80% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34306?

Upgrade jt2go to 13.2.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-34306

HIGHEPSS 76th pctl

7.8

CVSS v3

NVD

Description

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The BMP_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing BMP files. This could result in a memory corruption condition. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13342)

CWE-119Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

jt2goNVD

Affected:< 13.2.0Fixed in:13.2.0CVE-2021-34306derived from NVD

teamcenter visualizationNVD

Affected:< 13.2.0Fixed in:13.2.0CVE-2021-34306derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.80%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Third-Party Advisory1

zerodayinitiative.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.