How severe is CVE-2021-47731?

CVE-2021-47731 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-47731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47731?

CVE-2021-47731 primarily affects Selea Carplateserver. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-47731?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2021-47731 have an EU (EUVD) identifier?

Yes. CVE-2021-47731 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34740.

When was CVE-2021-47731 published?

CVE-2021-47731 was published on 2025-12-09 and last updated on 2026-06-17.

CVE-2021-47731

CVE-2021-47731 is a critical-severity vulnerability in Selea Carplateserver with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34740
Weakness: CWE-306
Affected product: Selea Carplateserver
Published: 2025-12-09
Last modified: 2026-06-17

Description

Selea Targa IP OCR-ANPR Camera contains a hard-coded developer password vulnerability that allows unauthorized configuration access through an undocumented page. Attackers can exploit the hidden endpoint by using the hard-coded password 'Selea781830' to enable configuration upload and overwrite device settings.

Frequently asked questions

What is CVE-2021-47731?: Selea Targa IP OCR-ANPR Camera contains a hard-coded developer password vulnerability that allows unauthorized configuration access through an undocumented page. Attackers can exploit the hidden endpoint by using the hard-coded password 'Selea781830' to enable configuration upload and overwrite device settings.
How severe is CVE-2021-47731?: CVE-2021-47731 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-47731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47731?: CVE-2021-47731 primarily affects Selea Carplateserver. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-47731?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2021-47731 have an EU (EUVD) identifier?: Yes. CVE-2021-47731 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34740.
When was CVE-2021-47731 published?: CVE-2021-47731 was published on 2025-12-09 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:o:selea:izero_box_full_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:izero_column_entry\/8_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:izero_column_full\/8_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_504_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_512_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_704_ilb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_704_tkm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_710_inox_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_805_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:selea:targa_semplice_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:selea:carplateserver:3.005\(191112\):*:*:*:*:*:*:*
cpe:2.3:a:selea:carplateserver:3.005\(191206\):*:*:*:*:*:*:*
cpe:2.3:a:selea:carplateserver:3.100\(200225\):*:*:*:*:*:*:*
cpe:2.3:a:selea:carplateserver:4.013\(201105\):*:*:*:*:*:*:*

More vulnerabilities in Selea Carplateserver

CVE-2021-47728 — Critical (CVSS 9.8): Selea Targa IP OCR-ANPR Camera contains an unauthenticated command injection vulnerability in utils.php that allows…
CVE-2021-47730 — High (CVSS 8.8): Selea Targa IP OCR-ANPR Camera contains a cross-site request forgery vulnerability that allows attackers to create…
CVE-2021-47729 — Medium (CVSS 5.4): Selea Targa IP OCR-ANPR Camera contains a stored cross-site scripting vulnerability in the 'files_list' parameter that…
CVE-2021-47727 — Medium (CVSS 5.3): Selea Targa IP OCR-ANPR Camera contains an unauthenticated vulnerability that allows remote attackers to access live…

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