CVE & CISA-KEV Catalog

CVE-2021-40716

MEDIUMEPSS 80th pctl
5.5
CVSS v3
NVD

Description

XMP Toolkit SDK versions 2021.07 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

How to fix

Remediation Available
exempiDebian
Fixed in:2.5.2-1+deb11u1CVE-2021-40716
Fixed in:2.6.0-1CVE-2021-40716
Fixed in:2.6.0-1CVE-2021-40716
Fixed in:2.6.0-1CVE-2021-40716
exempiUbuntu
Fixed in:2.4.5-2ubuntu0.1USN-5483-1
Fixed in:2.5.1-1ubuntu0.1USN-5483-1
Fixed in:2.5.2-1ubuntu0.22.04.1USN-5483-1
libexempi3Ubuntu
Fixed in:2.4.5-2ubuntu0.1USN-5483-1
libexempi8Ubuntu
Fixed in:2.5.1-1ubuntu0.1USN-5483-1
Fixed in:2.5.2-1ubuntu0.22.04.1USN-5483-1

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
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

2.17%probability of exploitation in 30 days
80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0160High7.5100%KEVFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2021-4034High7.895%KEVFix
CVE-2023-21769High7.592%-Fix
CVE-2023-49285High8.689%-Fix
CVE-2020-8794Critical9.889%-Fix
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Markdown

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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 2025-11-03.