CVE-2023-28801— Improper SAML signature verification
Quick assessment
Affected
Zscaler ZIA Admin Portal
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.
Zscaler Admin UI是Zscaler公司的一个缩放器。 Zscaler Admin UI 6.2 到 6.2r版本存在安全漏洞，该漏洞源于Admin UI 的 SAML 身份验证中的加密签名验证不正确，导致权限升级。
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I. Basic Information for CVE-2023-28801
Vulnerability Information
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Vulnerability Title
Improper SAML signature verification
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Verification of Cryptographic Signature in the SAML authentication of the Zscaler Admin UI allows a Privilege Escalation.This issue affects Admin UI: from 6.2 before 6.2r.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zscaler Admin UI 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zscaler Admin UI是Zscaler公司的一个缩放器。 Zscaler Admin UI 6.2 到 6.2r版本存在安全漏洞，该漏洞源于Admin UI 的 SAML 身份验证中的加密签名验证不正确，导致权限升级。
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 |
|---|---|---|---|---|
| Zscaler | ZIA Admin Portal | 6.2 ~ 6.2 (current) | - |
|
II. Public POCs for CVE-2023-28801
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-28801 (1)
IV. Related Vulnerabilities
Same vendor: Zscaler
Same weakness: CWE-347
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V. Comments for CVE-2023-28801
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