VulnerabilityModified

CVE-2019-18371

There is a directory traversal vulnerability to read arbitrary files via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account.

HIGH 7.5EPSS 55.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 55.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. There is a directory traversal vulnerability to read arbitrary files via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account. With this vulnerability, the attacker can bypass authentication.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 55.87% probability · 99th percentile
CISA KEV: Not listed
Weakness: CWE-22
Affected: mi/millet router 3g firmware
Source: cve@mitre.org

References

https://github.com/UltramanGaia/Xiaomi_Mi_WiFi_R3G_Vulnerability_POC/blob/master/arbitrary_file_read_vulnerability.pyExploit, Third Party Advisory
https://github.com/UltramanGaia/Xiaomi_Mi_WiFi_R3G_Vulnerability_POC/blob/master/arbitrary_file_read_vulnerability.pyExploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.