CVERadar
MEDIUM · CVSS 2.0 5Exploit-DBEPSS 10.43% (p96)Threat level 35

CVE-2015-6830: CVE-2015-6830: libraries/plugins/auth/AuthenticationCookie.class.php in phpMyAdmin 4.3.x before 4.3.13.2 …

phpmyadmin · phpmyadmin · NVD published 2015-09-14 · posted 2025-08-18 · last modified 2026-06-17

What it is

libraries/plugins/auth/AuthenticationCookie.class.php in phpMyAdmin 4.3.x before 4.3.13.2 and 4.4.x before 4.4.14.1 allows remote attackers to bypass a multiple-reCaptcha protection mechanism against brute-force credential guessing by providing a correct response to a single reCaptcha.

WeaknessCWE-200
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N (source: [email protected])
ATT&CK tacticsCollection

Exploitation evidence

First exploit evidence seen: 2025-08-18 (earliest date across the sources below).

Exploited in the wild

No source on this site lists in-the-wild exploitation yet (CISA KEV, VulnCheck KEV).

Public exploit code

Exploit-DB

  • EDB-52414: PHPMyAdmin 3.0 - Bruteforce Login Bypass (2025-08-18)

Sources: Exploit-DB (OffSec).

Defend the Chain

The attack chain for CVE-2015-6830 laid across the MITRE ATT&CK Enterprise tactics. Solid cards come from the MITRE CTID KEV mappings; dashed cards are inferred by CVERadar from the CWE or description. Correct defences are real ATT&CK mitigations for that technique.

Threat level 35/100
Defender level 1 · 0 XP
Chain links broken: 0/1

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Stealth

Defense Impairment

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Pick a red technique card on the board, then choose the defence that stops it.

Defend against T1005 Data from Local System Inferred

Inferred from CWE CWE-200

How to fix it

Fixed versions

NVD does not list a fixed version for this CVE. Use the vendor advisory below.

Derived from the NVD CPE configuration (versionEndExcluding / versionEndIncluding). Always confirm with the vendor advisory.

Vendor advisories and patches

MITRE ATT&CK mitigations for this chain

  • M1057 Data Loss Prevention (for T1005) : Data loss prevention can restrict access to sensitive data and detect sensitive data that is unencrypted.

Detection Generic guidance

  • Collection: Watch for bulk reads of databases, file shares or mailboxes by the affected service.

Response checklist Generic guidance

  1. Inventory: find every instance of the affected product and version (include internet-facing and forgotten ones).
  2. Patch or mitigate per the vendor advisory; if you cannot patch, remove internet exposure or apply the vendor workaround.
  3. Assume compromise if the system was exposed before patching: hunt for the indicators in the advisory and review logs back to the disclosure date.
  4. Rotate credentials and secrets stored on or used by the affected system if compromise cannot be ruled out.

Sources