CVE-2021-28235

etcd: Information discosure via debug function

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.

A flaw was found in etcd, where etc-io could allow a remote attacker to gain elevated privileges on the system caused by a vulnerability in the debug function. By sending a specially crafted request, an attacker can gain elevated privileges.

*Credits: N/A

CVSS Scores

NISTv3.1 9.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-12 CVE Reserved
2023-04-04 CVE Published
2024-08-03 CVE Updated
2024-11-23 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (7)

URL	Tag	Source
http://etcd.com	Broken Link
https://github.com/etcd-io/etcd	Product
https://github.com/etcd-io/etcd/pull/15648
https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj.png	Product
https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj_2.png	Product

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-28235	2023-06-05
https://bugzilla.redhat.com/show_bug.cgi?id=2184441	2023-06-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Etcd Search vendor "Etcd"		Etcd Search vendor "Etcd" for product "Etcd"				3.4.10 Search vendor "Etcd" for product "Etcd" and version "3.4.10"		-		Affected