What is the CVSS score of CVE-2023-28725?

CVE-2023-28725 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 20.6%.

Is there a public PoC exploit available for CVE-2023-28725?

Yes, a public proof-of-concept exploit is available for CVE-2023-28725. Prioritise patching immediately. EPSS: 20.6%.

Java CVE-2023-28725

CRITICAL

Unrestricted Upload of File with Dangerous Type (CWE-434)

2023-03-22 cve@mitre.org

Java File Upload Crypto Application Server

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Mar 22, 2023 - 00:15 nvd

CRITICAL 9.1

DescriptionNVD

General Bytes Crypto Application Server (CAS) 20230120, as distributed with General Bytes BATM devices, allows remote attackers to execute arbitrary Java code by uploading a Java application to the /batm/app/admin/standalone/deployments directory, aka BATM-4780, as exploited in the wild in March 2023. This is fixed in 20221118.48 and 20230120.44.

AnalysisAI

General Bytes Crypto Application Server (CAS) 20230120, as distributed with General Bytes BATM devices, allows remote attackers to execute arbitrary Java code by uploading a Java application to the. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. General Bytes Crypto Application Server (CAS) 20230120, as distributed with General Bytes BATM devices, allows remote attackers to execute arbitrary Java code by uploading a Java application to the /batm/app/admin/standalone/deployments directory, aka BATM-4780, as exploited in the wild in March 2023. This is fixed in 20221118.48 and 20230120.44. Affected products include: Generalbytes Crypto Application Server.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.