General Bytes Crypto Application Server 20230120 Java Application deployments unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in General Bytes Crypto Application Server 20230120. It has been classified as very critical. This vulnerability affects unknown code of the file /batm/app/admin/standalone/deployments of the component Java Application Handler. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2023-28725. The attack can be initiated remotely. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in General Bytes Crypto Application Server 20230120 (Application Server Software) and classified as critical. Affected by this vulnerability is an unknown code block of the file /batm/app/admin/standalone/deployments of the component Java Application Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released 03/22/2023 as BATM-4780. The advisory is shared at generalbytes.com. This vulnerability is known as CVE-2023-28725 since 03/21/2023. Technical details and also a private exploit are known. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/07/2025). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is declared as functional. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading to version 20221118.48 or 20230120.44 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32363). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Crypto Application Server 20221118.48/20230120.44

Timelineinfo

03/21/2023 🔍
03/22/2023 +1 days 🔍
03/22/2023 +0 days 🔍
12/07/2025 +991 days 🔍

Sourcesinfo

Advisory: BATM-4780
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-28725 (🔍)
GCVE (CVE): GCVE-0-2023-28725
GCVE (VulDB): GCVE-100-223501
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/22/2023 07:39
Updated: 12/07/2025 15:45
Changes: 03/22/2023 07:39 (46), 04/12/2023 13:51 (11), 12/07/2025 15:45 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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