How severe is CVE-2020-35712?

CVE-2020-35712 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-2020-35712 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35712?

CVE-2020-35712 affects Esri Arcgis Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35712?

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-2020-35712 published?

CVE-2020-35712 was published on 2020-12-26 and last updated on 2026-06-17.

CVE-2020-35712

CVE-2020-35712 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Esri Arcgis Server
Published: 2020-12-26
Last modified: 2026-06-17

Description

Esri ArcGIS Server before 10.8 is vulnerable to SSRF in some configurations.

Frequently asked questions

What is CVE-2020-35712?: Esri ArcGIS Server before 10.8 is vulnerable to SSRF in some configurations.
How severe is CVE-2020-35712?: CVE-2020-35712 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-2020-35712 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35712?: CVE-2020-35712 affects Esri Arcgis Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35712?: 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-2020-35712 published?: CVE-2020-35712 was published on 2020-12-26 and last updated on 2026-06-17.

References

Affected products (1)

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

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