CVE-2023-33220
CVE-2023-33220 is a critical-severity vulnerability in Idemia Sigma Lite Firmware with a CVSS 3.x base score of 9.1. 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Idemia Sigma Lite Firmware
- Published:
- Last modified:
Description
During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted device
Frequently asked questions
- What is CVE-2023-33220?
- During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted device
- How severe is CVE-2023-33220?
- CVE-2023-33220 has a CVSS 3.x base score of 9.1, 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 none.
- Is CVE-2023-33220 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-33220?
- CVE-2023-33220 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-2023-33220?
- 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.
- When was CVE-2023-33220 published?
- CVE-2023-33220 was published on 2023-12-15 and last updated on 2026-06-17.
References
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-2023-33219 — 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-2023-33217 — High (CVSS 7.5): By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent…
- 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…
All CVEs affecting Idemia Sigma Lite Firmware →
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