CVE-2003-1376 — 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

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MEDIUM

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

Published Oct 19, 2007

4.6

MEDIUM

CVSS 2.0

EPSS 0.24%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.24% 0.00240

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00240

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.24% (0.00240)	13.60th	v5 (v2026.06.15)
Jun 15, 2026	0.24% (0.00240)	14.78th	v5 (v2026.06.15)
Mar 17, 2025	0.03% (0.00035)	6.82th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00950)	32.28th	v2 (v2022.01.01)
Sep 10, 2022	0.95% (0.00950)	30.63th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00950)	28.61th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00950)	13.46th	v2 (v2022.01.01)

Weaknesses (1)

CWE-255

References (4)

http://securityreason.com/securityalert/3265
third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/archive/1/311059
mailing-listx_refsource_BUGTRAQExploit
http://www.securityfocus.com/bid/6805
vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/11296
vdb-entryx_refsource_XF

Link	Providers	Tags
http://securityreason.com/securityalert/3265		third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/archive/1/311059		mailing-listx_refsource_BUGTRAQExploit
http://www.securityfocus.com/bid/6805		vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/11296		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 19, 2007

Updated Aug 8, 2024

Reserved Oct 18, 2007

Link CVE-2003-1376

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2003-1376

Red Hat

Severity n/a

Public date n/a

Links CVE-2003-1376