How severe is CVE-2017-12820?

CVE-2017-12820 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-2017-12820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12820?

CVE-2017-12820 affects Sentinel Sentinel Ldk Rte Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12820?

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-2017-12820 published?

CVE-2017-12820 was published on 2017-10-04 and last updated on 2026-06-17.

CVE-2017-12820

CVE-2017-12820 is a high-severity vulnerability in Sentinel Sentinel Ldk Rte 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Sentinel Sentinel Ldk Rte Firmware
Published: 2017-10-04
Last modified: 2026-06-17

Description

Arbitrary memory read from controlled memory pointer in Gemalto's HASP SRM, Sentinel HASP and Sentinel LDK products prior to Sentinel LDK RTE version 7.55 leads to remote denial of service.

Frequently asked questions

What is CVE-2017-12820?: Arbitrary memory read from controlled memory pointer in Gemalto's HASP SRM, Sentinel HASP and Sentinel LDK products prior to Sentinel LDK RTE version 7.55 leads to remote denial of service.
How severe is CVE-2017-12820?: CVE-2017-12820 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-2017-12820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12820?: CVE-2017-12820 affects Sentinel Sentinel Ldk Rte Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12820?: 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-2017-12820 published?: CVE-2017-12820 was published on 2017-10-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sentinel:sentinel_ldk_rte_firmware:*:*:*:*:*:*:*:*

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