Injection in PAX Technology A920 Pro
Priority HIGH 65CWE-74Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
PAX A920Pro/A50 devices with PayDroid_8.1.0_Sagittarius_V11.1.50_20230614 or earlier can allow local code execution via parameter injection by bypassing the input validation when flashing a specific partition. The attacker must have physical USB access to the device in order to exploit this vulnerability.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00591 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PAX Technology | A920 Pro | up to 11.1.50_20230614 | — | No fix listed | CNA |
| PAX Technology | A50 | up to 11.1.50_20230614 | — | No fix listed | CNA |
- A920 Pro VendorPAX Technology Affected up to 11.1.50_20230614 Fixed in — No fix listed CNA
- A50 VendorPAX Technology Affected up to 11.1.50_20230614 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:paxtechnology:paydroid:*:*:*:*:*:*:*:* | up to 8.1.0_sagittarius_11.1.50_20230614 | Vulnerable | PAX Technology |
| cpe:2.3:h:paxtechnology:a920_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | PAX Technology |
| cpe:2.3:h:paxtechnology:a50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | PAX Technology |
- cpe:2.3:o:paxtechnology:paydroid:*:*:*:*:*:*:*:* Versions up to 8.1.0_sagittarius_11.1.50_20230614 Vulnerable ·PAX Technology
- cpe:2.3:h:paxtechnology:a920_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·PAX Technology
- cpe:2.3:h:paxtechnology:a50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·PAX Technology
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42135
- 2026-10-03 Alias added: GHSA-vgrm-64g7-v874
References
More PAX Technology Paydroid vulnerabilities
- TI-2023-22504 Command injection in PAX Technology POS terminals CVSS 3.1HIGH 7.8
- TI-2023-22505 Link following in PAX Technology POS terminals CVSS 3.1HIGH 7.8
- TI-2023-22502 PAX Android based POS devices with PayDroid_8.1.0_Sagittarius_V11.1.45_20230314 or… CVSS 3.1MEDIUM 6.8
- TI-2022-09885 PAX A930 device with PayDroid_7.1.1_Virgo_V04.3.26T1_20210419 can allow an attacker to… CVSS 3.1HIGH 7.8
- TI-2023-04435 Injection in PAX Technology A920 CVSS 3.1HIGH 7.6
- TI-2022-09883 PAX A930 device with PayDroid_7.1.1_Virgo_V04.3.26T1_20210419 can allow the execution of… CVSS 3.1MEDIUM 6.8
Sources
- CVE-2023-42135 · CVE Program
- CVE-2023-42135 · NVD
- FIRST EPSS
- GHSA-vgrm-64g7-v874 · GitHub Advisory Database · CC BY 4.0
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