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MEDIUM

CVE-2020-8143

CVSS v3

6.1

MEDIUM

EPSS Score

70.4 %

exploit probability, as of 2026-10-18

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-8143 yet.

Full record on NVD

Description

An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144. A remote attacker could trick logged-in users to open a specifically crafted link and have them redirected to any destination.The CSRF protection of the “/www/admin/*-modify.php” could be skipped if no meaningful parameter was sent. No action was performed, but the user was still redirected to the target page, specified via the “returnurl” GET parameter.

Technical details

Published
2020-04-03

Frequently asked questions

What is CVE-2020-8143?

An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144. A remote attacker could trick logged-in users to open a specifically crafted link and have them redirected to any destination.The CSRF protection of the “/www/admin/*-modify.php” could be skipped if no meaningful parameter was sent. No action was performed, but the user was still redirected to the target page, specified via the “returnurl” GET parameter.

Is CVE-2020-8143 actively exploited?

Active exploitation of CVE-2020-8143 has not been confirmed. Its EPSS score was 70.4% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8143?

CVE-2020-8143 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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