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NVD Vulnerability Details :
CVE-2023-42794
Modified
More InfoOfficial Page
Source-security@apache.org
View Known Exploited Vulnerability (KEV) details
Published At-10 Oct, 2023 | 18:15
Updated At-29 Oct, 2025 | 12:15

Incomplete Cleanup vulnerability in Apache Tomcat. The internal fork of Commons FileUpload packaged with Apache Tomcat 9.0.70 through 9.0.80 and 8.5.85 through 8.5.93 included an unreleased, in progress refactoring that exposed a potential denial of service on Windows if a web application opened a stream for an uploaded file but failed to close the stream. The file would never be deleted from disk creating the possibility of an eventual denial of service due to the disk being full. Other, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
The Apache Software Foundation
apache
>>tomcat>>Versions from 8.5.85(inclusive) to 8.5.94(exclusive)
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
The Apache Software Foundation
apache
>>tomcat>>Versions from 9.0.70(inclusive) to 9.0.81(exclusive)
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-459Secondarysecurity@apache.org
CWE ID: CWE-459
Type: Secondary
Source: security@apache.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://lists.apache.org/thread/vvbr2ms7lockj1hlhz5q3wmxb2mwcw82security@apache.org
Mailing List
Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/10/10/8af854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
https://lists.apache.org/thread/vvbr2ms7lockj1hlhz5q3wmxb2mwcw82af854a3a-2127-422b-91ae-364da2661108
Mailing List
Vendor Advisory
Hyperlink: https://lists.apache.org/thread/vvbr2ms7lockj1hlhz5q3wmxb2mwcw82
Source: security@apache.org
Resource:
Mailing List
Vendor Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2023/10/10/8
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://lists.apache.org/thread/vvbr2ms7lockj1hlhz5q3wmxb2mwcw82
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Vendor Advisory
Change History
0Changes found
Details not found