Jwt Attack
CVE-2019-5300
MEDIUM
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the affected device. A local attacker with high privilege may exploit the vulnerability to bypass integrity checks for software images and install a malicious software image on the affected device.
AnalysisAI
There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-347. There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the affected device. A local attacker with high privilege may exploit the vulnerability to bypass integrity checks for software images and install a malicious software image on the affected device. Affected products include: Huawei Ar1200 Firmware, Huawei Ar1200-S Firmware, Huawei Ar150 Firmware, Huawei Ar160 Firmware, Huawei Ar200 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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External POC / Exploit Code
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