How severe is CVE-2018-11277?

CVE-2018-11277 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11277?

CVE-2018-11277 primarily affects Qualcomm Msm8909w Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11277?

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-2018-11277 published?

CVE-2018-11277 was published on 2018-09-20 and last updated on 2026-06-17.

CVE-2018-11277

CVE-2018-11277 is a high-severity vulnerability in Qualcomm Msm8909w Firmware with a CVSS 3.x base score of 7.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Qualcomm Msm8909w Firmware
Published: 2018-09-20
Last modified: 2026-06-17

Description

In Snapdragon (Automobile, Mobile, Wear) in version MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SDA660, the com.qualcomm.embms is a vendor package deployed in the system image which has an inadequate permission level and allows any application installed from Play Store to request this permission at install-time. The system application interfaces with the Radio Interface Layer leading to potential access control issue.

Frequently asked questions

What is CVE-2018-11277?: In Snapdragon (Automobile, Mobile, Wear) in version MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SDA660, the com.qualcomm.embms is a vendor package deployed in the system image which has an inadequate permission level and allows any application installed from Play Store to request this permission at install-time. The system application interfaces with the Radio Interface Layer leading to potential access control issue.
How severe is CVE-2018-11277?: CVE-2018-11277 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11277?: CVE-2018-11277 primarily affects Qualcomm Msm8909w Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11277?: 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-2018-11277 published?: CVE-2018-11277 was published on 2018-09-20 and last updated on 2026-06-17.

References

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

Affected products (20)

cpe:2.3:o:qualcomm:msm8909w_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd212_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd615_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd616_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd415_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd617_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd625_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd652_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd820a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sda660_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Msm8909w Firmware

CVE-2017-11076 — Critical (CVSS 9.8): On some hardware revisions where VP9 decoding is hardware-accelerated, the frame size is not programmed correctly into…
CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
CVE-2022-22088 — Critical (CVSS 9.8): Memory corruption in Bluetooth HOST due to buffer overflow while parsing the command response received from remote
CVE-2022-25720 — Critical (CVSS 9.8): Memory corruption in WLAN due to out of bound array access during connect/roaming in Snapdragon Auto, Snapdragon…
CVE-2021-35104 — Critical (CVSS 9.8): Possible buffer overflow due to improper parsing of headers while playing the FLAC audio clip in Snapdragon Auto,…

All CVEs affecting Qualcomm Msm8909w Firmware →

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities

CVE-2026-9508 — Critical (CVSS 10.0): Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow…
CVE-2025-14988 — Critical (CVSS 10.0): A security issue has been identified in ibaPDA that could allow unauthorized actions on the file system under certain…
CVE-2025-69426 — Critical (CVSS 10.0): The Ruckus vRIoT IoT Controller firmware versions prior to 3.0.0.0 (GA) contain hardcoded credentials for an operating…
CVE-2025-12004 — Critical (CVSS 10.0): Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown…
CVE-2014-125121 — Critical (CVSS 10.0): Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation…
CVE-2025-46093 — Critical (CVSS 9.9): LiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to…

Browse all CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities →