How severe is CVE-2020-11599?

CVE-2020-11599 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-2020-11599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11599?

CVE-2020-11599 affects Cipplanner Cipace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11599?

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-2020-11599 published?

CVE-2020-11599 was published on 2020-04-06 and last updated on 2026-06-17.

CVE-2020-11599

CVE-2020-11599 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Cipplanner Cipace
Published: 2020-04-06
Last modified: 2026-06-17

Description

An issue was discovered in CIPPlanner CIPAce 6.80 Build 2016031401. GetDistributedPOP3 allows attackers to obtain the username and password of the SMTP user.

Frequently asked questions

What is CVE-2020-11599?: An issue was discovered in CIPPlanner CIPAce 6.80 Build 2016031401. GetDistributedPOP3 allows attackers to obtain the username and password of the SMTP user.
How severe is CVE-2020-11599?: CVE-2020-11599 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-2020-11599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11599?: CVE-2020-11599 affects Cipplanner Cipace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11599?: 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-2020-11599 published?: CVE-2020-11599 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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