Search/CVE-2026-20503
CVE — Medium

CVE-2026-20503

In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01371002; Issue ID: MSV-9020.

CVSS v3.1
5.3 MEDIUM
EPSS
0.19%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
EPSS Trend
Sep 8, 2026Sep 13, 2026
0.01pp
0.20% → 0.19% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorADJACENT
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
26 relationships
Timeline
disclosure → media coverage
Sep 7, 2026
Disclosure — published as a CVE record.