CVE-2003-1376 json
WinZip 8.0 uses weak random number generation for password protected ZIP files, which allows local users to brute force the encryption keys…
published 2003-12-31 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1366
- cvss
- 4.6
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
WinZip 8.0 uses weak random number generation for password protected ZIP files, which allows local users to brute force the encryption keys and extract the data from the zip file by guessing the state of the stream coder.
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securityfocus.com http://www.securityfocus.com/archive/1/311059 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-255 Credentials Management Errors
References
-
securityfocus.com
/archive/1/311059
mailing-list, exploit
-
securityfocus.com
/bid/6805
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/11296
vdb-entry
-
securityreason.com
/securityalert/3265
third-party-advisory
Sources
- CVE List CVE-2003-1376
- NVD CVE-2003-1376
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.