SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8143

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

MEDIUM 6.1EPSS 70.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 70.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
70.39% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-601
Affected
revive-adserver/revive adserver
Source
support@hackerone.com
EPSS trend
0%38%75%3 November 2026: 70.39%3 November 20263 November 2026

EPSS 70.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.