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CVE-2023-46123— jumpserver is vulnerable to password brute-force protection bypass via arbitrary IP values

Quick assessment

Affected
jumpserver jumpserver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jumpserver是中国杭州飞致云信息科技有限公司的一款开源堡垒机。 JumpServer 3.8.0之前版本存在安全漏洞，该漏洞源于允许攻击者通过欺骗任意IP地址来绕过密码暴力保护。

CVSS 5.3 · Medium EPSS 0.70% · P52

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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I. Basic Information for CVE-2023-46123

Vulnerability Information
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Vulnerability Title
jumpserver is vulnerable to password brute-force protection bypass via arbitrary IP values
Source: CVE Program / CVE List V5
Vulnerability Description
jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addresses. By exploiting this vulnerability, attackers can effectively make unlimited password attempts by altering their apparent IP address for each request. This vulnerability has been patched in version 3.8.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
JumpServer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jumpserver是中国杭州飞致云信息科技有限公司的一款开源堡垒机。 JumpServer 3.8.0之前版本存在安全漏洞，该漏洞源于允许攻击者通过欺骗任意IP地址来绕过密码暴力保护。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
jumpserver jumpserver < 3.8.0 -

II. Public POCs for CVE-2023-46123

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III. Intelligence Information for CVE-2023-46123

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Vendor Advisories for CVE-2023-46123 (1)

Security Blog Posts for CVE-2023-46123 (1)

Other References for CVE-2023-46123 (1)

IV. Related Vulnerabilities

Same product: jumpserver
Same vendor: jumpserver
Same weakness: CWE-307

V. Comments for CVE-2023-46123

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