CVE-2020-8143
CVE-2020-8143 is a medium-severity vulnerability in Revive-adserver Revive Adserver with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 70% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 70% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Revive-adserver Revive Adserver
- Published:
- Last modified:
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.
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.
- How severe is CVE-2020-8143?
- CVE-2020-8143 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-8143 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8143?
- CVE-2020-8143 affects Revive-adserver Revive Adserver. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8143?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8143 published?
- CVE-2020-8143 was published on 2020-04-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*
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- CVE-2016-9124 — Critical (CVSS 9.8): Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of…
- CVE-2017-5830 — Critical (CVSS 9.8): Revive Adserver before 4.0.1 allows remote attackers to execute arbitrary code via serialized data in the cookies…
- CVE-2016-9470 — Critical (CVSS 9.0): Revive Adserver before 3.2.5 and 4.0.0 suffers from Reflected File Download. `www/delivery/asyncspc.php` was vulnerable…
- CVE-2026-50741 — High (CVSS 8.8): Bypass to the fix for CVE-2026-34916. Variants of such vectors have been also reported by phucrio and offsetmd. The fix…
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