SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-9124

Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts.

CRITICAL 9.8EPSS 2.23%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of Revive Adserver is vulnerable to password-guessing attacks. An account lockdown feature was considered, but rejected to avoid introducing service disruptions to regular users during such attacks. A random delay has instead been introduced as a countermeasure in case of password failures, along with a system to discourage parallel brute forcing. These systems will effectively allow the valid users to log in to the adserver, even while an attack is in progress.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.23% probability · 83th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-307, CWE-287
Affected
revive-adserver/revive adserver
Source
support@hackerone.com
EPSS trend
0%3%5%27 October 2026: 2.23%27 October 202627 October 2026

EPSS 2.2% since 27 October 2026; no change recorded yet. 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.