How severe is CVE-2015-6830?

CVE-2015-6830 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-6830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6830?

CVE-2015-6830 primarily affects Phpmyadmin. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6830?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-6830 published?

CVE-2015-6830 was published on 2015-09-14 and last updated on 2026-06-17.

CVE-2015-6830

CVE-2015-6830 is a medium-severity vulnerability in Phpmyadmin with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Phpmyadmin
Published: 2015-09-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2015-6830?: 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.
How severe is CVE-2015-6830?: CVE-2015-6830 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-6830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6830?: CVE-2015-6830 primarily affects Phpmyadmin. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6830 published?: CVE-2015-6830 was published on 2015-09-14 and last updated on 2026-06-17.

References

Affected products (31)

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

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