CVE-2022-38203 | The allowedProxyHosts property is not fully honored in ArcGIS Enterprise (10.8.1 and 10.7.1 only)

Protections against potential Server-Side Request Forgery (SSRF) vulnerabilities in Esri Portal for ArcGIS versions 10.8.1 and below were not fully honored and may allow a remote, unauthenticated attacker to forge requests to arbitrary URLs from the system, potentially leading to network enumeration or reading from hosts inside the network perimeter, a different issue than CVE-2022-38211 and CVE-2022-38212.

Published: 2022-12-29 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-38203 is rated Moderate Risk (47.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.74%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-38203

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.86% 0.74% -0.12%
2 2025-12-31 1.07% 0.86% -0.20%
3 2025-12-30 1.07%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-38203

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-38203

Affected software / configurations for CVE-2022-38203

Vendor Product Version Raw CPE
esri portal_for_arcgis <= 10.8.1 cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*

References for CVE-2022-38203

cvelogic Threat Intelligence