What is CVE-2020-13963?

CVE-2020-13963 is a critical-severity vulnerability in Soplanning, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-03-21.

How severe is CVE-2020-13963?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-13963 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Soplanning

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).

Published 2021-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Soplanning

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-13963

References

forum.soplanning.org/viewforum.php (Vendor Advisory)
labs.integrity.pt/advisories/cve-2020-13963/ (Third Party Advisory)
cwe.mitre.org/data/definitions/321.html (Technical Description)

Frequently asked questions

What is CVE-2020-13963?: CVE-2020-13963 is a critical-severity vulnerability in Soplanning, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-03-21.
How severe is CVE-2020-13963?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-13963 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.