eprintsug ulcc-core cgi/toolbox/toolbox password command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in eprintsug ulcc-core (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the file cgi/toolbox/toolbox. The manipulation of the argument password with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 01/05/2023 as 811edaae81eb044891594f00062a828f51b22cb1. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-4304. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Applying the patch 811edaae81eb044891594f00062a828f51b22cb1 is able to eliminate this problem. The bugfix is ready for download at github.com. The advisory contains the following remark:

Fixes RCE exploit by validating verb parameter for toolbox before eval (backported from 3.4)





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.3
CNA Vector (VulDB): 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 811edaae81eb044891594f00062a828f51b22cb1


01/05/2023 🔍
01/05/2023 +0 days 🔍
01/05/2023 +0 days 🔍
01/28/2023 +23 days 🔍


Advisory: 811edaae81eb044891594f00062a828f51b22cb1
Status: Confirmed

CVE: CVE-2021-4304 (🔍)


Created: 01/05/2023 11:04 AM
Updated: 01/28/2023 03:25 PM
Changes: 01/05/2023 11:04 AM (42), 01/28/2023 03:19 PM (2), 01/28/2023 03:25 PM (28)
Complete: 🔍


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