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Vulnerability record · CVE-2023-28725 · published 22 March 2023

CVE-2023-28725: Generalbytes crypto application server unrestricted file upload vulnerability

Generalbytes · Crypto Application 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.

9.1 CVSS 3.1 Critical EPSS 21% · top 2.6% CWE-434 · Unrestricted file upload
9.1CVSS 3.1 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://arstechnica.com/information-technology/2023/03/hackers-drain-bitcoin-atms-of-1-5-million-by-exploiting-0-day-bug Press/Media Coverage
https://generalbytes.atlassian.net/wiki/spaces/ESD/pages/2885222430/Security+Incident+March+17-18th+2023 ExploitVendor Advisory
https://generalbytes.atlassian.net/wiki/spaces/ESD/pages/951418958/Update+CAS Mitigation
https://twitter.com/generalbytes/status/1637192687160897537 Issue Tracking
https://web3isgoinggreat.com/single/general-bytes-crypto-atms-exploited-for-over-1-6-million Third Party Advisory
https://www.bleepingcomputer.com/news/security/general-bytes-bitcoin-atms-hacked-using-zero-day-15m-stolen/ Press/Media Coverage
https://www.generalbytes.com/en/support/changelog Release Notes
https://arstechnica.com/information-technology/2023/03/hackers-drain-bitcoin-atms-of-1-5-million-by-exploiting-0-day-bug Press/Media Coverage
https://generalbytes.atlassian.net/wiki/spaces/ESD/pages/2885222430/Security+Incident+March+17-18th+2023 ExploitVendor Advisory
https://generalbytes.atlassian.net/wiki/spaces/ESD/pages/951418958/Update+CAS Mitigation
https://twitter.com/generalbytes/status/1637192687160897537 Issue Tracking
https://web3isgoinggreat.com/single/general-bytes-crypto-atms-exploited-for-over-1-6-million Third Party Advisory
https://www.bleepingcomputer.com/news/security/general-bytes-bitcoin-atms-hacked-using-zero-day-15m-stolen/ Press/Media Coverage
https://www.generalbytes.com/en/support/changelog Release Notes

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Source: NIST National Vulnerability Database (record CVE-2023-28725), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.