What is the CVSS score of CVE-2022-31887?

CVE-2022-31887 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2022-31887?

Yes, a public proof-of-concept exploit is available for CVE-2022-31887. Prioritise patching immediately. EPSS: 1.5%.

Marval Msm CVE-2022-31887

CRITICAL

Insufficiently Protected Credentials (CWE-522)

2022-06-28 cve@mitre.org

Privilege Escalation Marval Msm

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 28, 2022 - 22:15 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

Marval MSM v14.19.0.12476 has a 0-Click Account Takeover vulnerability which allows an attacker to change any user's password in the organization, this means that the user can also escalate achieve. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. Marval MSM v14.19.0.12476 has a 0-Click Account Takeover vulnerability which allows an attacker to change any user's password in the organization, this means that the user can also escalate achieve Privilege Escalation by changing the administrator password. Affected products include: Marvalglobal Marval Msm.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.