How severe is CVE-2021-29114?

CVE-2021-29114 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29114 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29114?

CVE-2021-29114 affects Esri Arcgis Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29114?

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

When was CVE-2021-29114 published?

CVE-2021-29114 was published on 2021-12-07 and last updated on 2026-06-17.

CVE-2021-29114

CVE-2021-29114 is a critical-severity vulnerability in Esri Arcgis Server with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Esri Arcgis Server
Published: 2021-12-07
Last modified: 2026-06-17

Description

A SQL injection vulnerability in feature services provided by Esri ArcGIS Server 10.9 and below allows a remote, unauthenticated attacker to impact the confidentiality, integrity and availability of targeted services via specifically crafted queries.

Frequently asked questions

What is CVE-2021-29114?: A SQL injection vulnerability in feature services provided by Esri ArcGIS Server 10.9 and below allows a remote, unauthenticated attacker to impact the confidentiality, integrity and availability of targeted services via specifically crafted queries.
How severe is CVE-2021-29114?: CVE-2021-29114 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29114 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29114?: CVE-2021-29114 affects Esri Arcgis Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29114?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-29114 published?: CVE-2021-29114 was published on 2021-12-07 and last updated on 2026-06-17.

References

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/arcgis-server-security-2021-update-2-patch-is-now-available

Affected products (1)

cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*

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