How severe is CVE-2020-11593?

CVE-2020-11593 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 none, integrity high, and availability none.

Is CVE-2020-11593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11593?

CVE-2020-11593 affects Cipplanner Cipace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11593?

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-2020-11593 published?

CVE-2020-11593 was published on 2020-04-06 and last updated on 2026-06-17.

CVE-2020-11593

CVE-2020-11593 is a high-severity vulnerability in Cipplanner Cipace 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Cipplanner Cipace
Published: 2020-04-06
Last modified: 2026-06-17

Description

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. An unauthenticated attacker can make an HTTP POST request with injected HTML data that is later leveraged to send emails from a customer trusted email address.

Frequently asked questions

What is CVE-2020-11593?: An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. An unauthenticated attacker can make an HTTP POST request with injected HTML data that is later leveraged to send emails from a customer trusted email address.
How severe is CVE-2020-11593?: CVE-2020-11593 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 none, integrity high, and availability none.
Is CVE-2020-11593 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11593?: CVE-2020-11593 affects Cipplanner Cipace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11593?: 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-2020-11593 published?: CVE-2020-11593 was published on 2020-04-06 and last updated on 2026-06-17.

References

https://www.criticalstart.com/vulnerabilities-discovered-in-cipace-enterprise-platform/

Affected products (1)

cpe:2.3:a:cipplanner:cipace:*:*:*:*:*:*:*:*

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