High severity · published Dec 26, 2019
CVE-2019-5275
USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UF
Usg9500 Firmware · Huawei
v500r001c30; v500r001c60 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5275
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5275
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en
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