Medium severity · published Mar 10, 2023
CVE-2023-27903
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…
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
before 2.375.4; before 2.394 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-27903
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-27903
Vendor Advisory
https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3058
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