LiveActive security incident?Get immediate response
CVE Record

CVE-2016-9124: Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts.

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Revive Adserver before 3.2.3 did not sufficiently slow repeated failed login attempts. Attackers could try many passwords against login accounts. The vendor addressed this by adding random delays and controls to discourage parallel brute forcing, while avoiding account lockouts that could disrupt valid users.

Executive priority

Treat this as a moderate priority if Revive Adserver is internet-facing or protects advertising operations. It is not described as actively exploited, but password-guessing can become account compromise when weak or reused credentials exist.

Technical view

CVE-2016-9124 is a CWE-307 issue in Revive Adserver authentication. Versions before 3.2.3 allowed excessive failed password attempts against the login page. The vendor rejected account lockout and added randomized failure delays plus anti-parallel brute-force controls.

Likely exposure

Exposure is likely where Revive Adserver before 3.2.3 is still running, especially if the administrative login is reachable from untrusted networks. The source bundle does not identify affected downstream packages, hosted services, or specific deployment configurations.

Exploitation context

The sources describe password-guessing risk but provide no CVSS score, no KEV listing, and no cited evidence of active exploitation. Business impact depends on account privilege, password quality, login exposure, and monitoring coverage.

Researcher notes

The advisory identifies the vulnerable surface as the Revive Adserver login page and the fix strategy as randomized delays plus anti-parallel brute-force controls. Evidence is limited to the vendor advisory, HackerOne report reference, CVE record, and fixing commit.

Mitigation direction

  • Upgrade Revive Adserver to version 3.2.3 or later.
  • Review the Revive security advisory before production rollout.
  • Restrict administrative login exposure where operationally feasible.
  • Review authentication logs for repeated failed login attempts.
  • Use vendor guidance for any additional hardening steps.

Validation and detection

  • Inventory Revive Adserver instances and record versions.
  • Confirm no deployed instance is older than 3.2.3.
  • Check whether login pages are internet-accessible.
  • Review logs for concentrated failed password attempts.
  • Verify monitoring alerts on repeated authentication failures.
Prepared
Confidence
high
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-307: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2016-9124 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aRevive Adserver All versions before 3.2.3Revive Adserver All versions before 3.2.3Listed
Weakness

CWE details

CWE-307

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-307 · source CWE mapping

Improper Restriction of Excessive Authentication Attempts

Improper Restriction of Excessive Authentication Attempts represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs