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CVE-2023-27485— Insufficient verification of authorisation when accessing subresults in thmmniii/fbs-core

Quick assessment

Affected
thm-mni-ii feedbacksystem
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.

Feedbacksystem是Institute for Information Sciences开源的一个应用程序。使用人工智能为学生提供智能、个性化的反馈。 Feedbacksystem 1.5.3之前版本存在安全漏洞，该漏洞源于授权不足漏洞。

CVSS 4.3 · Medium EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-27485

Vulnerability Information
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Vulnerability Title
Insufficient verification of authorisation when accessing subresults in thmmniii/fbs-core
Source: CVE Program / CVE List V5
Vulnerability Description
thmmniii/fbs-core is an open source feedback system for students. In versions prior to 1.5.3 when querying `subresults`, it is possible to query `subresults` from other users due to insufficient authorisation. This is only possible for logged-in users and it is not possible to associate the subresults with a specific user. This bug was fixed in commit `f1ae67d8bb2`and released with version 1.5.3. Users are advised to upgrade. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Feedbacksystem 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Feedbacksystem是Institute for Information Sciences开源的一个应用程序。使用人工智能为学生提供智能、个性化的反馈。 Feedbacksystem 1.5.3之前版本存在安全漏洞，该漏洞源于授权不足漏洞。
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
thm-mni-ii feedbacksystem < 1.5.3 -

II. Public POCs for CVE-2023-27485

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III. Intelligence Information for CVE-2023-27485

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Patches & Fixes for CVE-2023-27485 (1)

Vendor Advisories for CVE-2023-27485 (1)

Security Blog Posts for CVE-2023-27485 (1)

Other References for CVE-2023-27485 (1)

IV. Related Vulnerabilities

Same product: feedbacksystem
Same vendor: thm-mni-ii
Same weakness: CWE-863

V. Comments for CVE-2023-27485

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