CVE-2002-1820

highpriority · track · 40EPSS 0.024 · 84 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.38% (84th) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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."

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-178USprimary

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
ultimate php board project ultimate php board= 1.0nvdUScpe:2.3:a:ultimate_php_board_project:ultimate_php_board:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2002-12-31modified 2026-06-16

related (146)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2020-12812US	critical9.8OT critical	45.4% (99th)	KEV	2020-07-24
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted…
CVE-2021-24347US	high8.8	54.1% (99th)	Exploit	2021-06-14
The SP Project & Document Manager WordPress plugin before 4.22 allows users to upload files, however, the plugin attempts to prevent php and other similar files that could be execu…
CVE-2001-0766US	critical9.8	8.86% (95th)	Exploit	2001-10-18
Apache on MacOS X Client 10.0.3 with the HFS+ file system allows remote attackers to bypass access restrictions via a URL that contains some characters whose case is not matched by…
CVE-2003-0411US	high7.5	25.1% (98th)	Exploit	2003-06-30
Sun ONE Application Server 7.0 for Windows 2000/XP allows remote attackers to obtain JSP source code via a request that uses the uppercase ".JSP" extension instead of the lowercase…
CVE-2025-27636US	—	97.1% (100th)	Exploit	2025-03-09
Bypass/Injection vulnerability in Apache Camel components under particular conditions. This issue affects Apache Camel: from 4.10.0 through <= 4.10.1, from 4.8.0 through <= 4.8.4,…

+141 more

references (6)

External citations — patches, advisories, analysis.

http://www.iss.net/security_center/static/9972.php enisa_euvd
http://www.securityfocus.com/archive/1/289417 enisa_euvd
http://www.securityfocus.com/bid/5580 enisa_euvd
http://www.iss.net/security_center/static/9972.phpBroken LinkPatchnvd
http://www.securityfocus.com/archive/1/289417Broken LinkThird Party AdvisoryVDB Entrynvd
http://www.securityfocus.com/bid/5580Broken LinkThird Party AdvisoryVDB Entrynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan