How severe is CVE-2023-37220?

CVE-2023-37220 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37220?

CVE-2023-37220 primarily affects Synel Synergy/a Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37220?

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

When was CVE-2023-37220 published?

CVE-2023-37220 was published on 2023-09-03 and last updated on 2026-06-17.

CVE-2023-37220

CVE-2023-37220 is a high-severity vulnerability in Synel Synergy/a Firmware with a CVSS 3.x base score of 7.2. 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-494.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-494
Affected product: Synel Synergy/a Firmware
Published: 2023-09-03
Last modified: 2026-06-17

Description

Synel Terminals - CWE-494: Download of Code Without Integrity Check

Frequently asked questions

What is CVE-2023-37220?: Synel Terminals - CWE-494: Download of Code Without Integrity Check
How severe is CVE-2023-37220?: CVE-2023-37220 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37220?: CVE-2023-37220 primarily affects Synel Synergy/a Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-37220 published?: CVE-2023-37220 was published on 2023-09-03 and last updated on 2026-06-17.

References

https://www.gov.il/en/Departments/faq/cve_advisories

Affected products (21)

cpe:2.3:o:synel:synergy\/a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:synergy_touch_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:synergy_10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:synergy_5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-910_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:synergy\/x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy110_face_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:bioentry-w2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:biolite-n2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:bioentry_p2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-711_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-715_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-751_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-755_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-777_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-785_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-765_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-7500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-745_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:sy-780_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:synel:synergy_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Synel Synergy/a Firmware

CVE-2023-32227 — Critical (CVSS 9.8): Synel SYnergy Fingerprint Terminals - CWE-798: Use of Hard-coded Credentials
CVE-2023-37213 — High (CVSS 8.8): Synel SYnergy Fingerprint Terminals - CWE-78: 'OS Command Injection'

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