OA: Externally Controlled Reference to a Resource in Another Sphere
CVE-2025-7523 is a critical-severity externally controlled reference to a resource in another sphere vulnerability in OA from Jinher, 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 OA versions: 1.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.7% chance of exploitation within 30 days, higher than 54% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of OA 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
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
- 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 4.0 | 5.5 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 7.3 | High | CNA (vuldb.com) |
| CVSS 3.1 | 9.8 | Critical | NVD |
| CVSS 2.0 | 7.5 | High | CNA (vuldb.com) |
Official description
A vulnerability was found in Jinher OA 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /c6/Jhsoft.Web.message/ToolBar/DelTemp.aspx. The manipulation leads to xml external entity reference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Externally Controlled Reference to a Resource in Another Sphere
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.
More Externally Controlled Reference to a Resource in Another Sphere vulnerabilities (CWE-610)
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.316220Third Party Advisory, VDB Entry
- vuldb.com/?submit.611183Third Party Advisory, VDB Entry
Technical write-ups (may include proof of concept)
- github.com/BigMancer/Jinhe-OA-XXE-VulnerabilityExploit, Third Party Advisory
- github.com/BigMancer/Jinhe-OA-XXE-Vulnerability?tab=readme-ov-file#proof-of-conceptExploit
Other references
- vuldb.com/?ctiid.316220Permissions Required, VDB Entry
Other vulnerabilities in OA
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 9.8 Critical severity
Recent Externally Controlled Reference to a Resource in Another Sphere vulnerabilities
- 8.1 High severity
- 8.1 High severity
- 7.5 High severity
- 7.5 High severity
- 6.5 Medium severity
Palo Alto Networks PAN-OS File Read Exploited
- 8.8 High severity
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