Marval Msm: Insufficiently Protected Credentials
CVE-2022-31887 is a critical-severity insufficiently protected credentials vulnerability in Marval Msm from Marvalglobal, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Marval Msm versions: 14.19.0.12476. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.59% chance of exploitation within 30 days, higher than 76% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Marval Msm you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Marvalglobal | Marval Msm | 14.19.0.12476 | Not stated |
Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 9.8 | Critical | NVD |
| CVSS 2.0 | 5.0 | Medium | NVD |
Official description
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.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insufficiently Protected Credentials
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
How developers prevent this class of flaw
- Use an appropriate security mechanism to protect the credentials.
- Make appropriate use of cryptography to protect the credentials.
- Use industry standards to protect the credentials (e.g. LDAP, keystore, etc.).
More Insufficiently Protected Credentials vulnerabilities (CWE-522)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- cyber-guy.gitbook.io/cyber-guy/pocs/marval-msm/0-click-account-takeoverExploit, Third Party Advisory
Other references
- marvalglobal.com/Product
Other vulnerabilities in Marval Msm
- 8.8 High severity
Recent Insufficiently Protected Credentials vulnerabilities
- 9.1 Critical severity
- 7.5 High severity
- 7.8 High severity
- 8.8 High severity
- 7.5 High severity
- 8.8 High severity
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