CVE-2023-36348
Published: 23 June 2023
Summary
CVE-2023-36348 is a high-severity Missing Authorization (CWE-862) vulnerability in Codekop Codekop. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 9.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
POS Codekop version 2.0 contains an authenticated remote code execution vulnerability that is triggered through the filename parameter. The flaw is tracked as CVE-2023-36348, carries a CVSS 3.1 score of 8.8, and is associated with CWE-862 (Missing Authorization). It affects the Point-of-Sale application’s file-handling routines, allowing an authenticated actor to supply a crafted filename that results in arbitrary code execution on the server.
An attacker who already possesses a valid user account can exploit the issue over the network without user interaction. Successful exploitation grants the ability to upload and execute arbitrary code, leading to full confidentiality, integrity, and availability impact on the affected host.
Public references include a Packet Storm entry describing a shell-upload proof-of-concept, a detailed write-up at yuyudhn.github.io, and an accompanying demonstration video. The EPSS score has remained flat at 0.0547 with no material increase since disclosure, indicating limited observed exploitation activity to date. No vendor advisory or patch information appears among the listed references.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-40316
Vulnerability details
POS Codekop v2.0 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the filename parameter.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring an access control policy ensures authorization checks are defined and applied for critical functions.
Reviews of access controls detect missing authorization checks on critical functions or resources.
Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.
Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.
Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.
Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.
The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.
Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.