Usg9500 Firmware
CVE-2019-5275
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in a heap buffer overflow when decoding a certificate, an attacker may exploit the vulnerability by a malicious certificate to perform a denial of service attack on the affected products.
AnalysisAI
USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in a heap buffer overflow when decoding a certificate, an attacker may exploit the vulnerability by a malicious certificate to perform a denial of service attack on the affected products. Affected products include: Huawei Usg9500 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
More in Usg9500 Firmware
View allBuffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the Huawei IPS Module, NGFW Module,
Huawei products IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6300; Secospace USG6500; Secospace USG6
Huawei USG9500 with software V200R001C01SPC800 and earlier versions, V300R001C00; USG2100 with software V300R001C00SPC90
Huawei FusionManager with software V100R002C03 and V100R003C00 could allow an unauthenticated, remote attacker to conduc
USG9500 with software of V500R001C30SPC100; V500R001C30SPC200; V500R001C30SPC600; V500R001C60SPC500; V500R005C00SPC100;
Huawei firewall products USG9500 V500R001C50 has a DoS vulnerability.A remote attacker who controls the peer device coul
Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and US
There is an out of bounds write vulnerability in some Huawei products. Rated high severity (CVSS 7.5), this vulnerabilit
There is insecure algorithm vulnerability in Huawei products. Rated high severity (CVSS 7.5), this vulnerability is remo
There is a denial of service vulnerability in some Huawei products. Rated high severity (CVSS 7.5), this vulnerability i
NIP6800;Secospace USG6600;USG9500 products with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have have
NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-boun
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today