EUVD-2026-52731
GHSA-q56p-c5fr-4842
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Adjacent-only vector (AV:A) confirmed by NG-eCall radio/network context; no auth or interaction needed to intercept failed IPSec sessions; confidentiality-only impact matches information disclosure class.
Primary rating from Vendor (qualcomm).
CVSS VectorVendor: qualcomm
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionCVE.org
Information Disclosure when IPSec negotiation fails or is not established properly during NG-eCall SIP signaling.
AnalysisAI
Information disclosure in Qualcomm Snapdragon chipsets exposes private data transmitted during NG-eCall SIP signaling when IPSec negotiation fails or is improperly established. Attackers adjacent to the network can intercept unprotected signaling traffic, gaining access to sensitive session data - potentially including location coordinates and caller identity transmitted as part of the automated emergency call system. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be adjacent to the network (AV:A) - specifically on the same radio or network segment as the Qualcomm Snapdragon device, such as a rogue base station within radio range or a network-level adversary on the cellular signaling path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N scores 6.5 (Medium), reflecting a realistic but geographically constrained threat: the adjacent network attack vector (AV:A) requires the attacker to share the same broadcast domain, radio segment, or network segment as the victim device - such as a rogue base station, a compromised cellular core element, or an attacker on the same local network path. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker operating a rogue LTE base station or positioned within the cellular radio segment of a vehicle initiating an NG-eCall could trigger or observe an IPSec negotiation failure, causing the SIP signaling to proceed without proper encryption. The attacker passively captures the unprotected SIP messages, extracting GPS coordinates, vehicle identification numbers, or other personal data transmitted as part of the emergency call setup. … |
| Remediation | Apply the security update detailed in Qualcomm's August 2026 Security Bulletin (https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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