MetaCRM: Improper Authentication
CVE-2025-7875 is a high-severity improper authentication vulnerability in MetaCRM from Metasoft 美特软件, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected MetaCRM versions: 6.4.0; 6.4.1; 6.4.2. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.76% chance of exploitation within 30 days, higher than 56% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of MetaCRM 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 |
|---|---|---|---|
| Metasoft 美特软件 | MetaCRM | 6.4.0; 6.4.1; 6.4.2 | Not stated |
Version data comes from the organisation that assigned the CVE. 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
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 5.5 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 7.3 | High | CNA (vuldb.com) |
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 2.0 | 7.5 | High | CNA (vuldb.com) |
Official description
A vulnerability classified as critical has been found in Metasoft 美特软件 MetaCRM up to 6.4.2. This affects an unknown part of the file /debug.jsp. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How developers prevent this class of flaw
- Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vuldb.com/?id.316989Third Party Advisory, VDB Entry
Technical write-ups (may include proof of concept)
- github.com/FightingLzn9/vul/blob/main/MetaCRM6-SIL-2.mdExploit, Third Party Advisory
Other references
- vuldb.com/?ctiid.316989Permissions Required, VDB Entry
Other vulnerabilities in MetaCRM
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 8.8 High severity
- 9.8 Critical severity
Recent Improper Authentication vulnerabilities
- 9.8 Critical severity
- 7.1 High severity
- 9.8 Critical severity
- 9.8 Critical severity
- 7.4 High severity
- 6.5 Medium severity
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