How severe is CVE-2018-11951?

CVE-2018-11951 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-11951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11951?

CVE-2018-11951 primarily affects Qualcomm Sd 845 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11951?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-11951 published?

CVE-2018-11951 was published on 2018-10-26 and last updated on 2026-06-17.

CVE-2018-11951

CVE-2018-11951 is a medium-severity vulnerability in Qualcomm Sd 845 Firmware with a CVSS 3.x base score of 5.5. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Qualcomm Sd 845 Firmware
Published: 2018-10-26
Last modified: 2026-06-17

Description

Improper access control in core module lead XBL_LOADER performs the ZI region clear for QTEE instead of XBL_SEC in Snapdragon Mobile in version SD 845, SD 850.

Frequently asked questions

What is CVE-2018-11951?: Improper access control in core module lead XBL_LOADER performs the ZI region clear for QTEE instead of XBL_SEC in Snapdragon Mobile in version SD 845, SD 850.
How severe is CVE-2018-11951?: CVE-2018-11951 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-11951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11951?: CVE-2018-11951 primarily affects Qualcomm Sd 845 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11951 published?: CVE-2018-11951 was published on 2018-10-26 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins

Affected products (2)

cpe:2.3:o:qualcomm:sd_845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_850_firmware:-:*:*:*:*:*:*:*

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