CRITICAL

CVE-2020-11598

CVSS v3

9.8

CRITICAL

EPSS Score

2.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-11598 yet.

Full record on NVD

Description

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. Upload.ashx allows remote attackers to execute arbitrary code by uploading and executing an ASHX file.

Technical details

Published: 2020-04-06

Frequently asked questions

What is CVE-2020-11598?

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. Upload.ashx allows remote attackers to execute arbitrary code by uploading and executing an ASHX file.

Is CVE-2020-11598 actively exploited?

Active exploitation of CVE-2020-11598 has not been confirmed. Its EPSS score was 2.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11598?

CVE-2020-11598 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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