CVE-2023-49095

nexkey allows arbitrary users to impersonate any remote user due to missing signature validation

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

nexkey is a microblogging platform. Insufficient validation of ActivityPub requests received in inbox could allow any user to impersonate another user in certain circumstances. This issue has been patched in version 12.122.2.

nexkey es una plataforma de microblogging. Una validación insuficiente de las solicitudes de ActivityPub recibidas en la bandeja de entrada podría permitir que cualquier usuario se haga pasar por otro usuario en determinadas circunstancias. Este problema se solucionó en la versión 12.122.2.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Complete

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-21 CVE Reserved
2023-11-30 CVE Published
2024-11-27 CVE Updated
2025-01-01 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/nexryai/nexkey/commit/b96da0eac5a1e75abba94cf926f1251842829bab	2023-12-05
https://github.com/nexryai/nexkey/security/advisories/GHSA-fpxw-rw9v-2gmx	2023-12-05

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nexryai Search vendor "Nexryai"		Nexkey Search vendor "Nexryai" for product "Nexkey"				< 12.122.2 Search vendor "Nexryai" for product "Nexkey" and version " < 12.122.2"		node.js		Affected