Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.
Max CVSS
8.8
Published
2024-01-24
Updated
2024-01-31
EPSS
0.09%
Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to read arbitrary files on the Jenkins controller file system.
Max CVSS
7.5
Published
2024-01-24
Updated
2024-01-31
EPSS
61.51%

CVE-2023-44487

Known Exploited Vulnerability
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Max CVSS
7.5
Published
2023-10-10
Updated
2024-02-02
EPSS
70.59%
KEV Added
2023-10-10
In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.
Max CVSS
8.1
Published
2023-09-20
Updated
2023-09-23
EPSS
0.05%
In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using the Stapler web framework creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.
Max CVSS
8.1
Published
2023-09-20
Updated
2023-09-23
EPSS
0.05%
Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution.
Max CVSS
8.8
Published
2023-09-20
Updated
2023-09-23
EPSS
0.06%
Jenkins 2.423 and earlier, LTS 2.414.1 and earlier does not escape the value of the 'caption' constructor parameter of 'ExpandableDetailsNote', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control this parameter.
Max CVSS
5.4
Published
2023-09-20
Updated
2023-09-23
EPSS
0.09%
Jenkins 2.50 through 2.423 (both inclusive), LTS 2.60.1 through 2.414.1 (both inclusive) does not exclude sensitive build variables (e.g., password parameter values) from the search in the build history widget, allowing attackers with Item/Read permission to obtain values of sensitive variables used in builds by iteratively testing different characters until the correct sequence is discovered.
Max CVSS
4.3
Published
2023-09-20
Updated
2023-09-25
EPSS
0.04%
Jenkins 2.415 and earlier, LTS 2.401.2 and earlier does not sanitize or properly encode URLs in build logs when transforming them into hyperlinks, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control build log contents.
Max CVSS
5.4
Published
2023-07-26
Updated
2023-08-03
EPSS
0.09%
Eclipse Jetty provides a web server and servlet container. In versions 11.0.0 through 11.0.15, 10.0.0 through 10.0.15, and 9.0.0 through 9.4.52, an integer overflow in `MetaDataBuilder.checkSize` allows for HTTP/2 HPACK header values to exceed their size limit. `MetaDataBuilder.java` determines if a header name or value exceeds the size limit, and throws an exception if the limit is exceeded. However, when length is very large and huffman is true, the multiplication by 4 in line 295 will overflow, and length will become negative. `(_size+length)` will now be negative, and the check on line 296 will not be triggered. Furthermore, `MetaDataBuilder.checkSize` allows for user-entered HPACK header value sizes to be negative, potentially leading to a very large buffer allocation later on when the user-entered size is multiplied by 2. This means that if a user provides a negative length value (or, more precisely, a length value which, when multiplied by the 4/3 fudge factor, is negative), and this length value is a very large positive number when multiplied by 2, then the user can cause a very large buffer to be allocated on the server. Users of HTTP/2 can be impacted by a remote denial of service attack. The issue has been fixed in versions 11.0.16, 10.0.16, and 9.4.53. There are no known workarounds.
Max CVSS
7.5
Published
2023-10-10
Updated
2024-02-16
EPSS
0.25%
In Jenkins 2.399 and earlier, LTS 2.387.3 and earlier, POST requests are sent in order to load the list of context actions. If part of the URL includes insufficiently escaped user-provided values, a victim may be tricked into sending a POST request to an unexpected endpoint by opening a context menu.
Max CVSS
8.0
Published
2023-06-14
Updated
2023-06-23
EPSS
0.05%
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier prints an error stack trace on agent-related pages when agent connections are broken, potentially revealing information about Jenkins configuration that is otherwise inaccessible to attackers.
Max CVSS
5.3
Published
2023-03-10
Updated
2023-03-15
EPSS
0.05%
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier creates a temporary file in the default temporary directory with the default permissions for newly created files when uploading a file parameter through the CLI, potentially allowing attackers with access to the Jenkins controller file system to read and write the file before it is used.
Max CVSS
4.4
Published
2023-03-10
Updated
2023-03-15
EPSS
0.04%
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents.
Max CVSS
4.3
Published
2023-03-10
Updated
2023-03-16
EPSS
0.05%
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier uses the Apache Commons FileUpload library without specifying limits for the number of request parts introduced in version 1.5 for CVE-2023-24998 in org.kohsuke.stapler.RequestImpl, allowing attackers to trigger a denial of service.
Max CVSS
7.5
Published
2023-03-10
Updated
2023-03-16
EPSS
0.06%
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier uses the Apache Commons FileUpload library without specifying limits for the number of request parts introduced in version 1.5 for CVE-2023-24998 in hudson.util.MultipartFormDataParser, allowing attackers to trigger a denial of service.
Max CVSS
7.5
Published
2023-03-10
Updated
2023-03-16
EPSS
0.06%
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier creates a temporary file in the default temporary directory with the default permissions for newly created files when uploading a plugin for installation, potentially allowing attackers with access to the Jenkins controller file system to read and write the file before it is used, potentially resulting in arbitrary code execution.
Max CVSS
7.0
Published
2023-03-10
Updated
2023-03-16
EPSS
0.04%
Jenkins 2.270 through 2.393 (both inclusive), LTS 2.277.1 through 2.375.3 (both inclusive) does not escape the Jenkins version a plugin depends on when rendering the error message stating its incompatibility with the current version of Jenkins, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide plugins to the configured update sites and have this message shown by Jenkins instances.
Max CVSS
9.6
Published
2023-03-10
Updated
2023-05-24
EPSS
0.11%
Jenkins 2.367 through 2.369 (both inclusive) does not escape tooltips of the l:helpIcon UI component used for some help icons on the Jenkins web UI, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control tooltips for this component.
Max CVSS
5.4
Published
2022-09-21
Updated
2023-11-01
EPSS
0.08%
Jenkins 2.335 through 2.355 (both inclusive) allows attackers in some cases to bypass a protection mechanism, thereby directly accessing some view fragments containing sensitive information, bypassing any permission checks in the corresponding view.
Max CVSS
7.5
Published
2022-06-23
Updated
2023-11-03
EPSS
0.15%
In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between login attempts with an invalid username, and login attempts with a valid username and wrong password, when using the Jenkins user database security realm.
Max CVSS
7.5
Published
2022-06-23
Updated
2023-11-03
EPSS
0.15%
In Jenkins 2.340 through 2.355 (both inclusive) the tooltip of the build button in list views supports HTML without escaping the job display name, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Max CVSS
5.4
Published
2022-06-23
Updated
2023-11-03
EPSS
0.08%
In Jenkins 2.340 through 2.355 (both inclusive) symbol-based icons unescape previously escaped values of 'tooltip' parameters, resulting in a cross-site scripting (XSS) vulnerability.
Max CVSS
5.4
Published
2022-06-23
Updated
2023-11-03
EPSS
0.08%
In Jenkins 2.321 through 2.355 (both inclusive) and LTS 2.332.1 through LTS 2.332.3 (both inclusive) the HTML output generated for new symbol-based SVG icons includes the 'title' attribute of 'l:ionicon' (until Jenkins 2.334) and 'alt' attribute of 'l:icon' (since Jenkins 2.335) without further escaping, resulting in a cross-site scripting (XSS) vulnerability.
Max CVSS
5.4
Published
2022-06-23
Updated
2023-11-03
EPSS
0.08%
In Jenkins 2.320 through 2.355 (both inclusive) and LTS 2.332.1 through LTS 2.332.3 (both inclusive) the help icon does not escape the feature name that is part of its tooltip, effectively undoing the fix for SECURITY-1955, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Max CVSS
5.4
Published
2022-06-23
Updated
2023-11-03
EPSS
0.08%
235 vulnerabilities found
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