CVE & CISA-KEV Catalog

CVE-2021-29098

HIGHEPSS 79th pctl
7.8
CVSS v3
NVD

Description

Multiple uninitialized pointer vulnerabilities when parsing a specially crafted file in Esri ArcReader, ArcGIS Desktop, ArcGIS Engine 10.8.1 (and earlier) and ArcGIS Pro 2.7 (and earlier) allow an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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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

1.95%probability of exploitation in 30 days
79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Related Vulnerabilities

Other CWE-824 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2018-9948Medium6.564%--
CVE-2018-11803High7.558%-Fix
CVE-2022-21971High7.854%KEVFix
CVE-2010-1818High9.343%--
CVE-2015-1770High8.835%KEV-
CVE-2017-12561Critical9.831%--

Common questions

How do I fix CVE-2021-29098?

No published fix for CVE-2021-29098 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2021-29098 being actively exploited?

Not that we know of. CVE-2021-29098 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 79% of all scored CVEs.

How severe is CVE-2021-29098?

CVE-2021-29098 has a CVSS v3 base score of 7.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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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 2025-05-05.