8.8
HIGH
CVE-2021-4315
NYUCCL psiTurk Template Engine Injection
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.

INFO

Published Date :

Jan. 28, 2023, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 6:37 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-4315 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Psiturk psiturk
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-4315 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-4315 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/NYUCCL/psiTurk/commit/47787e15cecd66f2aa87687bf852ae0194a4335f
    Added Reference https://github.com/NYUCCL/psiTurk/pull/517
    Added Reference https://github.com/NYUCCL/psiTurk/releases/tag/v3.2.1
    Added Reference https://vuldb.com/?ctiid.219676
    Added Reference https://vuldb.com/?id.219676
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V3.1 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  • Reanalysis by [email protected]

    Jun. 26, 2023

    Action Type Old Value New Value
    Changed Reference Type https://github.com/NYUCCL/psiTurk/commit/47787e15cecd66f2aa87687bf852ae0194a4335f Patch, Third Party Advisory https://github.com/NYUCCL/psiTurk/commit/47787e15cecd66f2aa87687bf852ae0194a4335f Patch
    Changed Reference Type https://github.com/NYUCCL/psiTurk/pull/517 Exploit, Patch, Third Party Advisory https://github.com/NYUCCL/psiTurk/pull/517 Issue Tracking
    Changed Reference Type https://github.com/NYUCCL/psiTurk/releases/tag/v3.2.1 Release Notes, Third Party Advisory https://github.com/NYUCCL/psiTurk/releases/tag/v3.2.1 Release Notes
    Changed Reference Type https://vuldb.com/?ctiid.219676 Third Party Advisory https://vuldb.com/?ctiid.219676 Permissions Required
    Changed Reference Type https://vuldb.com/?id.219676 Third Party Advisory https://vuldb.com/?id.219676 Permissions Required
    Added CWE NIST CWE-94
  • Initial Analysis by [email protected]

    Feb. 07, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/NYUCCL/psiTurk/commit/47787e15cecd66f2aa87687bf852ae0194a4335f No Types Assigned https://github.com/NYUCCL/psiTurk/commit/47787e15cecd66f2aa87687bf852ae0194a4335f Patch, Third Party Advisory
    Changed Reference Type https://github.com/NYUCCL/psiTurk/pull/517 No Types Assigned https://github.com/NYUCCL/psiTurk/pull/517 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://github.com/NYUCCL/psiTurk/releases/tag/v3.2.1 No Types Assigned https://github.com/NYUCCL/psiTurk/releases/tag/v3.2.1 Release Notes, Third Party Advisory
    Changed Reference Type https://vuldb.com/?ctiid.219676 No Types Assigned https://vuldb.com/?ctiid.219676 Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.219676 No Types Assigned https://vuldb.com/?id.219676 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:psiturk:psiturk:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-4315 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-4315 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.08 }} -0.10%

score

0.20237

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
© cvefeed.io
Latest DB Update: Jun. 25, 2025 20:51