How severe is CVE-2020-9353?

CVE-2020-9353 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-9353 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9353?

CVE-2020-9353 affects Smartclient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9353?

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-2020-9353 published?

CVE-2020-9353 was published on 2020-02-23 and last updated on 2026-06-17.

CVE-2020-9353

CVE-2020-9353 is a high-severity vulnerability in Smartclient with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Smartclient
Published: 2020-02-23
Last modified: 2026-06-17

Description

An issue was discovered in SmartClient 12.0. The Remote Procedure Call (RPC) loadFile provided by the console functionality on the /tools/developerConsoleOperations.jsp (or /isomorphic/IDACall) URL is affected by unauthenticated Local File Inclusion via directory-traversal sequences in the elem XML element in the _transaction parameter. NOTE: the documentation states "These tools are, by default, available to anyone ... so they should only be deployed into a trusted environment. Alternately, the tools can easily be restricted to administrators or end users by protecting the tools path with normal authentication and authorization mechanisms on the web server."

Frequently asked questions

What is CVE-2020-9353?: An issue was discovered in SmartClient 12.0. The Remote Procedure Call (RPC) loadFile provided by the console functionality on the /tools/developerConsoleOperations.jsp (or /isomorphic/IDACall) URL is affected by unauthenticated Local File Inclusion via directory-traversal sequences in the elem XML element in the _transaction parameter. NOTE: the documentation states "These tools are, by default, available to anyone ... so they should only be deployed into a trusted environment. Alternately, the tools can easily be restricted to administrators or end users by protecting the tools path with normal authentication and authorization mechanisms on the web server."
How severe is CVE-2020-9353?: CVE-2020-9353 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-9353 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9353?: CVE-2020-9353 affects Smartclient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9353?: 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-2020-9353 published?: CVE-2020-9353 was published on 2020-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:smartclient:smartclient:12.0:*:*:*:*:*:*:*

More vulnerabilities in Smartclient

CVE-2020-9352 — Critical (CVSS 9.8): An issue was discovered in SmartClient 12.0. Unauthenticated exploitation of blind XXE can occur in the downloadWSDL…
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CVE-2020-9351 — Medium (CVSS 5.3): An issue was discovered in SmartClient 12.0. If an unauthenticated attacker makes a POST request to…

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