High severity · published Nov 20, 2023
CVE-2023-38879
The Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to read arbitrary files via a directory traversal vulnerability in the 'filename' parameter of…
7.5
CVSS
3.6%
EPSS
No
On KEV
Description
The Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to read arbitrary files via a directory traversal vulnerability in the 'filename' parameter of 'DownloadWindow.php'.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opensis · Os4ed
9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38879
Product
https://github.com/OS4ED/openSIS-Classic
Third Party Advisory
https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38879
Product
https://www.os4ed.com/
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