What is CVE-2002-1820?

CVE-2002-1820 is a critical-severity vulnerability in Ultimate_php_board_project Ultimate_php_board, classified under Improper Handling of Case Sensitivity. CVSS score: 9.8/10. Published 2002-12-31.

How severe is CVE-2002-1820?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Ultimate_php_board_project Ultimate_php_board

CVE-2002-1820

register.php in Ultimate PHP Board (UPB) 1.0 and 1.0b uses an administrative account Admin with a capital "A," but allows a remote attacker to impersonate the administrator by registering an account name of admin with a lower case "a."

EPSS: 0.024 (81.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ultimate_php_board_project Ultimate_php_board — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-178 — Improper Handling of Case Sensitivity

References

cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, VDB Entry, Third Party Advisory, Broken Link)
cve@mitre.org (Patch, vdb-entry, Broken Link, x_refsource_XF)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)

Frequently asked questions

What is CVE-2002-1820?: CVE-2002-1820 is a critical-severity vulnerability in Ultimate_php_board_project Ultimate_php_board, classified under Improper Handling of Case Sensitivity. CVSS score: 9.8/10. Published 2002-12-31.
How severe is CVE-2002-1820?: Critical severity. CVSS v3 base score is 9.8 out of 10.