What is the CVSS score of CVE-2021-42956?

CVE-2021-42956 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2021-42956?

Yes, a public proof-of-concept exploit is available for CVE-2021-42956. Prioritise patching immediately. EPSS: 0.6%.

Zoho CVE-2021-42956

HIGH

Improper Privilege Management (CWE-269)

2021-11-17 cve@mitre.org

Microsoft Privilege Escalation Zoho Information Disclosure Manageengine Remote Access Plus Server

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 17, 2021 - 12:15 nvd

HIGH 8.8

DescriptionNVD

Zoho Remote Access Plus Server Windows Desktop Binary fixed in 10.1.2132.6 is affected by a sensitive information disclosure vulnerability. Due to improper privilege management, the process launches as the logged in user, so memory dump can be done by non-admin also. Remotely, an attacker can dump all sensitive information including DB Connection string, entire IT infrastructure details, commands executed by IT admin including credentials, secrets, private keys and more.

AnalysisAI

Zoho Remote Access Plus Server Windows Desktop Binary fixed in 10.1.2132.6 is affected by a sensitive information disclosure vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Zoho Remote Access Plus Server Windows Desktop Binary fixed in 10.1.2132.6 is affected by a sensitive information disclosure vulnerability. Due to improper privilege management, the process launches as the logged in user, so memory dump can be done by non-admin also. Remotely, an attacker can dump all sensitive information including DB Connection string, entire IT infrastructure details, commands executed by IT admin including credentials, secrets, private keys and more. Affected products include: Zoho Manageengine Remote Access Plus Server.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.