Vulnerability Report

CVE-2021-42539

Title: Missing permission validation on system backup restore

Account Takeover

Proof Of Concept

No public PoC currently indexed for CVE-2021-42539.

CWE Category CWE-306
Published Date Oct 22, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 8.0 CVSS v3.1
Exploit Probability (EPSS)
0.74%

Vulnerability Summary

CVE-2021-42539: The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change.

Impacted Vendors

E
emerson 3

Reference Links

https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02 https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.0
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-42539 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.