How severe is CVE-2020-20471?

CVE-2020-20471 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-20471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-20471?

CVE-2020-20471 affects White Shark Systems Project White Shark Systems. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-20471?

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-2020-20471 published?

CVE-2020-20471 was published on 2021-06-21 and last updated on 2026-06-17.

CVE-2020-20471

CVE-2020-20471 is a high-severity vulnerability in White Shark Systems Project White Shark Systems with a CVSS 3.x base score of 8.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: White Shark Systems Project White Shark Systems
Published: 2021-06-21
Last modified: 2026-06-17

Description

White Shark System (WSS) 1.3.2 has an unauthorized access vulnerability in default_user_edit.php, remote attackers can exploit this vulnerability to escalate to admin privileges.

Frequently asked questions

What is CVE-2020-20471?: White Shark System (WSS) 1.3.2 has an unauthorized access vulnerability in default_user_edit.php, remote attackers can exploit this vulnerability to escalate to admin privileges.
How severe is CVE-2020-20471?: CVE-2020-20471 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-20471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-20471?: CVE-2020-20471 affects White Shark Systems Project White Shark Systems. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-20471?: 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-2020-20471 published?: CVE-2020-20471 was published on 2021-06-21 and last updated on 2026-06-17.

References

https://github.com/itodaro/WhiteSharkSystem_cve

Affected products (1)

cpe:2.3:a:white_shark_systems_project:white_shark_systems:1.3.2:*:*:*:*:*:*:*

More vulnerabilities in White Shark Systems Project White Shark Systems

CVE-2020-20466 — Critical (CVSS 9.8): White Shark System (WSS) 1.3.2 is vulnerable to unauthorized access via user_edit_password.php, remote attackers can…
CVE-2020-20474 — High (CVSS 7.5): White Shark System (WSS) 1.3.2 has a SQL injection vulnerability. The vulnerability stems from the…
CVE-2020-20473 — High (CVSS 7.5): White Shark System (WSS) 1.3.2 has a SQL injection vulnerability. The vulnerability stems from the control_task.php,…
CVE-2020-20469 — High (CVSS 7.5): White Shark System (WSS) 1.3.2 has a SQL injection vulnerability. The vulnerability stems from the log_edit.php files…
CVE-2020-20468 — Medium (CVSS 6.5): White Shark System (WSS) 1.3.2 is vulnerable to CSRF. Attackers can use the user_edit_password.php file to modify the…
CVE-2020-20467 — Medium (CVSS 6.5): White Shark System (WSS) 1.3.2 is vulnerable to sensitive information disclosure via default_task_add.php, remote…

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