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CVE-2021-4315— NYUCCL psiTurk experiment.py special elements used in a template engine

Quick assessment

Affected
NYUCCL psiTurk
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.

NYUCCL psiTurk是Amazon Mechanical Turk 上的科学开放平台。 NYUCCL psiTurk 3.2.0版本及之前版本存在安全漏洞，该漏洞源于对参数mode的错误操作会导致模板引擎中使用的特殊元素的无效化。

CVSS 5.5 · Medium EPSS 0.91% · P58

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-4315

Vulnerability Information
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Vulnerability Title
NYUCCL psiTurk experiment.py special elements used in a template engine
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in NYUCCL psiTurk up to 3.2.0 and classified as critical. This vulnerability affects unknown code of the file psiturk/experiment.py. The manipulation of the argument mode leads to improper neutralization of special elements used in a template engine. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.1 is able to address this issue. The name of the patch is 47787e15cecd66f2aa87687bf852ae0194a4335f. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-219676.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
NYUCCL psiTurk 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NYUCCL psiTurk是Amazon Mechanical Turk 上的科学开放平台。 NYUCCL psiTurk 3.2.0版本及之前版本存在安全漏洞，该漏洞源于对参数mode的错误操作会导致模板引擎中使用的特殊元素的无效化。
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
NYUCCL psiTurk 3.0 -

II. Public POCs for CVE-2021-4315

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III. Intelligence Information for CVE-2021-4315

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Patches & Fixes for CVE-2021-4315 (2)

Vendor Advisories for CVE-2021-4315 (2)

Other References for CVE-2021-4315 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1336

V. Comments for CVE-2021-4315

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