How severe is CVE-2020-13963?

CVE-2020-13963 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-13963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13963?

CVE-2020-13963 affects Soplanning. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13963?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-13963 published?

CVE-2020-13963 was published on 2021-03-21 and last updated on 2026-06-17.

CVE-2020-13963

CVE-2020-13963 is a critical-severity vulnerability in Soplanning with a CVSS 3.x base score of 9.8. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Soplanning
Published: 2021-03-21
Last modified: 2026-06-17

Description

SOPlanning before 1.47 has Incorrect Access Control because certain secret key information, and the related authentication algorithm, is public. The key for admin is hardcoded in the installation code, and there is no key for publicsp (which is a guest account).

Frequently asked questions

What is CVE-2020-13963?: SOPlanning before 1.47 has Incorrect Access Control because certain secret key information, and the related authentication algorithm, is public. The key for admin is hardcoded in the installation code, and there is no key for publicsp (which is a guest account).
How severe is CVE-2020-13963?: CVE-2020-13963 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-13963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13963?: CVE-2020-13963 affects Soplanning. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-13963 published?: CVE-2020-13963 was published on 2021-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:soplanning:soplanning:*:*:*:*:*:*:*:*

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