CVE-2021-3660

cockpit: pages vulnerable to clickjacking

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cockpit (and its plugins) do not seem to protect itself against clickjacking. It is possible to render a page from a cockpit server via another website, inside an <iFrame> HTML entry. This may be used by a malicious website in clickjacking or similar attacks.

Cockpit (y sus plugins) no parecen protegerse contra un ataque de clickjacking. Es posible renderizar una página de un servidor de Cockpit por medio de otro sitio web, dentro de una entrada HTML (iFrame). Esto puede ser usado por un sitio web malicioso en ataques de clickjacking o similares

Cockpit enables users to administer GNU/Linux servers using a web browser. It offers network configuration, log inspection, diagnostic reports, SELinux troubleshooting, interactive command-line sessions, and more.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-22 CVE Reserved
2022-03-07 CVE Published
2024-08-03 CVE Updated
2025-07-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1021: Improper Restriction of Rendered UI Layers or Frames

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/cockpit-project/cockpit/commit/8d9bc10d8128aae03dfde62fd00075fe492ead10	2023-02-12
https://github.com/cockpit-project/cockpit/issues/16122	2023-02-12

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1980688	2022-05-10
https://access.redhat.com/security/cve/CVE-2021-3660	2022-05-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cockpit-project Search vendor "Cockpit-project"		Cockpit Search vendor "Cockpit-project" for product "Cockpit"				< 254 Search vendor "Cockpit-project" for product "Cockpit" and version " < 254"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected