CVE-2020-20470: White Shark System (WSS) 1.3.2 has web site physical path leakage vulnerability.

Routine

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2020-20470 is a medium-severity flaw (CVSS 5.3) affecting white shark systems. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

White Shark System (WSS) 1.3.2 has web site physical path leakage vulnerability.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-209
Published	2021-06-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: white shark systems project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-06-21 05:15 UTCPublished CVE record published
2026-06-17 03:03 UTCUpdated Record last modified

white shark systems project white shark systems DOWNGRADE

Affected: 1.3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.2

1. Check installed version

apt-cache policy white-shark-systems || rpm -q white-shark-systems || white-shark-systems --version

2. No fixed release: DOWNGRADE to a release before 1.3.2 (Debian / Ubuntu)

apt-cache madison white-shark-systems sudo apt install white-shark-systems=<VERSION_BEFORE_1.3.2> sudo apt-mark hold white-shark-systems

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list white-shark-systems sudo dnf downgrade white-shark-systems-<VERSION_BEFORE_1.3.2> sudo dnf versionlock add white-shark-systems

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-20470?

white shark systems: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-20470 being exploited?

CVE-2020-20470 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-20470 affect?

CVE-2020-20470 affects white shark systems. Severity is medium (CVSS 5.3). White Shark System (WSS) 1.3.2 has web site physical path leakage vulnerability.

How urgent is CVE-2020-20470?

Priority 38/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-20474 HIGH 7.5 DOWNGRADE White Shark System (WSS) 1.3.2 has a SQL injection vulnerability
CVE-2020-20473 HIGH 7.5 DOWNGRADE White Shark System (WSS) 1.3.2 has a SQL injection vulnerability
CVE-2020-20472 MEDIUM 5.3 DOWNGRADE White Shark System (WSS) 1.3.2 has a sensitive information disclosure vulnerability
CVE-2020-20471 HIGH 8.8 DOWNGRADE White Shark System (WSS) 1.3.2 has an unauthorized access vulnerability in default_user_edit.php, remote attac
CVE-2020-20469 HIGH 7.5 DOWNGRADE White Shark System (WSS) 1.3.2 has a SQL injection vulnerability

References

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