CVE-2002-1021 json
BadBlue server allows remote attackers to read restricted files, such as EXT.INI, via an HTTP request that contains a hex-encoded null byte.
published 2002-08-31 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1010
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 1
- Exploit-DB
Summary
BadBlue server allows remote attackers to read restricted files, such as EXT.INI, via an HTTP request that contains a hex-encoded null byte.
Timeline
- First public exploit (EDB-21616)
- Published
Exploit prediction
3.22% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-21616 Working Resources 1.7.3 BadBlue - Null Byte File Disclosure remote, 2002-06-13
- securityfocus.com http://www.securityfocus.com/bid/5226 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
securityfocus.com
/bid/5226
vdb-entry, exploit, vendor-advisory
-
iss.net
/security_center/static/9557.php
vdb-entry, vendor-advisory
-
archives.neohapsis.com
/archives/bugtraq/2002-07/0143.html
mailing-list
Sources
- CVE List CVE-2002-1021
- NVD CVE-2002-1021
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.