PatchTheCVECVE-2021-47728: Selea Targa IP OCR-ANPR Camera contains an unauthenticated command injection vulnerability in utils.php that a
CVE-2021-47728 is a critical-severity flaw (CVSS 9.8) affecting izero box full firmware, izero column entry\/8 firmware, izero column full\/8 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Selea Targa IP OCR-ANPR Camera contains an unauthenticated command injection vulnerability in utils.php that allows remote attackers to execute arbitrary shell commands. Attackers can exploit the 'addr' and 'port' parameters to inject commands and gain www-data user access through chained local file inclusion techniques.
Why this priority
- Critical severity
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.6% (top 15%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2025-12-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Write-up: github.com/zeroscience
- Write-up: www.exploit-db.com/exploits/49460
- Write-up: www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5620.php
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-47728?
izero box full firmware: mitigate or apply the listed mitigation; izero column entry\/8 firmware: mitigate or apply the listed mitigation; izero column full\/8 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-47728 being exploited?
CVE-2021-47728 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-47728 affect?
CVE-2021-47728 affects izero box full firmware, izero column entry\/8 firmware, izero column full\/8 firmware. Severity is critical (CVSS 9.8). Selea Targa IP OCR-ANPR Camera contains an unauthenticated command injection vulnerability in utils.php that allows remote attackers to execute arbitrary shell commands. Attackers can exploit the 'addr' and 'port' parameters to inject comma
How urgent is CVE-2021-47728?
Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action
Software pages
Related CVEs
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