Which products and versions are affected by CVE-2020-8143?

Affected: Revive Adserver (Revive-Adserver); https://github.com/revive-adserver/revive-adserver versions >= Fixed in >= 5.0.5. The full list is in the CVE brief.

Is CVE-2020-8143 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2020-8143 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2020-8143?

No public exploit code is known.

Is there a fix for CVE-2020-8143?

Fixed versions are available, including Revive Adserver 5.0.5.

How urgently should CVE-2020-8143 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2020-8143

Medium

An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144.

Published Apr 3, 2020 · Updated Jul 8, 2026

Key Facts

Patch immediately

CVE-2020-8143 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Revive Adserver (Revive-Adserver), https://github.com/revive-adserver/revive-adserver.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 70% probability of exploitation in the next 30 days.
Fixed versions are available, including Revive Adserver 5.0.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.1

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

EPSS (30-day exploit likelihood)

70%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2020-8143 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Revive AdserverRevive-Adserver	See advisory	5.0.5
https://github.com/revive-adserver/revive-adserver	>= Fixed in >= 5.0.5	n/a

Patched Releases

Revive Adserver

5.0.5

Timeline

Publicly disclosed
Apr 3, 2020
Last updated
Jul 8, 2026

Weakness Type

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

References

FAQ

Common Questions.

An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144.
Affected: Revive Adserver (Revive-Adserver); https://github.com/revive-adserver/revive-adserver versions >= Fixed in >= 5.0.5. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Revive Adserver 5.0.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2020-8143 Running On Your Attack Surface?

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