How severe is CVE-2017-18681?

CVE-2017-18681 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-2017-18681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18681?

CVE-2017-18681 affects Samsung Galaxy S5 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18681?

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-2017-18681 published?

CVE-2017-18681 was published on 2020-04-07 and last updated on 2026-06-17.

CVE-2017-18681

CVE-2017-18681 is a critical-severity vulnerability in Samsung Galaxy S5 Firmware 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Samsung Galaxy S5 Firmware
Published: 2020-04-07
Last modified: 2026-06-17

Description

An issue was discovered on Samsung Galaxy S5 mobile devices with software through 2016-12-20 (Qualcomm AP chipsets). There are multiple buffer overflows in the bootloader. The Samsung ID is SVE-2016-7930 (March 2017).

Frequently asked questions

What is CVE-2017-18681?: An issue was discovered on Samsung Galaxy S5 mobile devices with software through 2016-12-20 (Qualcomm AP chipsets). There are multiple buffer overflows in the bootloader. The Samsung ID is SVE-2016-7930 (March 2017).
How severe is CVE-2017-18681?: CVE-2017-18681 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-2017-18681 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18681?: CVE-2017-18681 affects Samsung Galaxy S5 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18681?: 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-2017-18681 published?: CVE-2017-18681 was published on 2020-04-07 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb

Affected products (1)

cpe:2.3:o:samsung:galaxy_s5_firmware:*:*:*:*:*:*:*:*

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