How severe is CVE-2023-33217?

CVE-2023-33217 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-33217 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33217?

CVE-2023-33217 primarily affects Idemia Sigma Lite Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33217?

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-2023-33217 published?

CVE-2023-33217 was published on 2023-12-15 and last updated on 2026-06-17.

CVE-2023-33217

CVE-2023-33217 is a high-severity vulnerability in Idemia Sigma Lite Firmware with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Idemia Sigma Lite Firmware
Published: 2023-12-15
Last modified: 2026-06-17

Description

By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent denial of service for the terminal. the only way to recover the terminal is by sending back the terminal to the manufacturer

Frequently asked questions

What is CVE-2023-33217?: By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent denial of service for the terminal. the only way to recover the terminal is by sending back the terminal to the manufacturer
How severe is CVE-2023-33217?: CVE-2023-33217 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-33217 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33217?: CVE-2023-33217 primarily affects Idemia Sigma Lite Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33217?: 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-2023-33217 published?: CVE-2023-33217 was published on 2023-12-15 and last updated on 2026-06-17.

References

https://www.idemia.com/wp-content/uploads/2023/11/Security-Advisory-SA-2023-05-2.pdf

Affected products (8)

cpe:2.3:o:idemia:sigma_lite_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:sigma_lite\+_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:sigma_extreme_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:sigma_wide_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:morphowave_compact_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:morphowave_xp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:visionpass_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:idemia:morphowave_sp_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Idemia Sigma Lite Firmware

CVE-2021-35522 — Critical (CVSS 9.8): A Buffer Overflow in Thrift command handlers in IDEMIA Morpho Wave Compact and VisionPass devices before 2.6.2, Sigma…
CVE-2023-33220 — Critical (CVSS 9.1): During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some…
CVE-2023-33219 — Critical (CVSS 9.1): The handler of the retrofit validation command doesn't properly check the boundaries when performing certain validation…
CVE-2023-33218 — Critical (CVSS 9.1): The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflow. This could…
CVE-2023-33222 — Medium (CVSS 6.8): When handling contactless cards, usage of a specific function to get additional information from the card which doesn't…
CVE-2023-33221 — Medium (CVSS 6.8): When reading DesFire keys, the function that reads the card isn't properly checking the boundaries when copying…

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