CVE-2015-6830

Exp

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.

Published: 2015-09-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-6830 is rated High Exploit Risk (63.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 9.79%, 95th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-6830

EDB-ID Source Kind Published Link
52414 exploit_db edb 2025-08-18 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-6830

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 21.22% 9.79% -11.43%
2 2026-01-23 27.31% 21.22% -6.09%
3 2025-12-21 27.31%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6830

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-6830

GitHub Security Advisory for CVE-2015-6830

GHSA-v6fh-vg22-r6cm · Severity: medium · Ecosystem: composer — phpMyAdmin ReCaptcha bypass

OS Trackers for CVE-2015-6830

vendor priority summary link
debian low CVE-2015-6830 low priority: Debian including 1 source packages (phpmyadmin), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2015-6830
ubuntu low CVE-2015-6830 low priority: Ubuntu including 1 source packages (phpmyadmin), 10 status rows across 10 suites (artful, bionic, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): not-affected 6, ignored 2, released 2. https://ubuntu.com/security/CVE-2015-6830

Affected software / configurations for CVE-2015-6830

Vendor Product Version Raw CPE
phpmyadmin phpmyadmin 4.3.0 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.0:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.5 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.5:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.6 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.6:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.7 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.7:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.8 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.8:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.9 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.9:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.10 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.10:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.11 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.11:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.12 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.12:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.3.13.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.3.13.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.0 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.0:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.1.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.5 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.5:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.6 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.6:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.6.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.6.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.7 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.7:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.8 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.8:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.9 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.9:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.10 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.10:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.11 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.11:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.12 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.12:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.13 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.13:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.13.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.13.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.14 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.14:*:*:*:*:*:*:*

References for CVE-2015-6830

cvelogic Threat Intelligence