CVE-2020-8143

Name: CVE-2020-8143
Creator: NVD / NIST
Published: 2020-04-03T21:15:12.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 70.39%

Last modified Jun 17, 2026

CVE-2020-8143 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 70.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

70.39%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Revive-Adserver	Revive Adserver	< 5.0.5

References

https://hackerone.com/reports/794144Exploit, Third Party Advisory
https://www.revive-adserver.com/security/revive-sa-2020-002/Vendor Advisory
https://hackerone.com/reports/794144Exploit, Third Party Advisory
https://www.revive-adserver.com/security/revive-sa-2020-002/Vendor Advisory

Timeline

Published: Apr 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8143?

How severe is CVE-2020-8143?

CVE-2020-8143 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 70.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8143?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8143?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST