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HIGH

CVE-2019-11233

CVSS v3

7.5

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

EXCELLENT INFOTEK BiYan v1.57 ~ v2.8 allows an attacker to leak user information without being authenticated, by sending a LOGIN_ID element to the auth/main/asp/check_user_login_info.aspx URI, and then reading the response, as demonstrated by the KW_EMAIL or KW_TEL field.

Technical details

Published
2019-06-19

Frequently asked questions

What is CVE-2019-11233?

EXCELLENT INFOTEK BiYan v1.57 ~ v2.8 allows an attacker to leak user information without being authenticated, by sending a LOGIN_ID element to the auth/main/asp/check_user_login_info.aspx URI, and then reading the response, as demonstrated by the KW_EMAIL or KW_TEL field.

Is CVE-2019-11233 actively exploited?

Active exploitation of CVE-2019-11233 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-11233?

CVE-2019-11233 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-11233 affecting your environment?

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