Open Redirect in Revive-Adserver Revive Adserver
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.
Vulnerability class: Open Redirect
EPSS: 0.704 (99.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Revive-adserver Revive_adserver
- N/a Https://github.com/revive-adserver/revive-adserver — versions Fixed in >= 5.0.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8143?
- CVE-2020-8143 is a medium-severity vulnerability in Revive-Adserver Revive Adserver, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-04-03.
- How severe is CVE-2020-8143?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-8143 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.