How severe is CVE-2021-29100?

CVE-2021-29100 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29100?

CVE-2021-29100 affects Esri Arcgis Earth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29100?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-29100 published?

CVE-2021-29100 was published on 2021-05-05 and last updated on 2026-06-17.

CVE-2021-29100

CVE-2021-29100 is a high-severity vulnerability in Esri Arcgis Earth with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Esri Arcgis Earth
Published: 2021-05-05
Last modified: 2026-06-17

Description

A path traversal vulnerability exists in Esri ArcGIS Earth versions 1.11.0 and below which allows arbitrary file creation on an affected system through crafted input. An attacker could exploit this vulnerability to gain arbitrary code execution under security context of the user running ArcGIS Earth by inducing the user to upload a crafted file to an affected system.

Frequently asked questions

What is CVE-2021-29100?: A path traversal vulnerability exists in Esri ArcGIS Earth versions 1.11.0 and below which allows arbitrary file creation on an affected system through crafted input. An attacker could exploit this vulnerability to gain arbitrary code execution under security context of the user running ArcGIS Earth by inducing the user to upload a crafted file to an affected system.
How severe is CVE-2021-29100?: CVE-2021-29100 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29100?: CVE-2021-29100 affects Esri Arcgis Earth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-29100 published?: CVE-2021-29100 was published on 2021-05-05 and last updated on 2026-06-17.

References

https://www.esri.com/arcgis-blog/products/arcgis-earth/administration/arcgis-earth-security-update

Affected products (1)

cpe:2.3:a:esri:arcgis_earth:*:*:*:*:*:*:*:*

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