Cloud-Starry-Sky Enterprise Edition: Incomplete Filtering of Special Elements
CVE-2025-6761 is a high-severity incomplete filtering of special elements vulnerability in Cloud-Starry-Sky Enterprise Edition from Kingdee, with a CVSS 3.1 base score of 7.3 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Cloud-Starry-Sky Enterprise Edition versions: 6.x; 7.x; 8.x, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.43% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Cloud-Starry-Sky Enterprise Edition 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 |
|---|---|---|---|
| Kingdee | Cloud-Starry-Sky Enterprise Edition | 6.x; 7.x; 8.x; 9.0 | 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
- LowSome restricted data can be read.
- Integrity
- LowLimited modification of data is possible.
- Availability
- LowPerformance or availability is reduced.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. Scored by CNA (vuldb.com).
| 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 2.0 | 7.5 | High | CNA (vuldb.com) |
Official description
A vulnerability was found in Kingdee Cloud-Starry-Sky Enterprise Edition 6.x/7.x/8.x/9.0. It has been rated as critical. Affected by this issue is the function plugin.buildMobilePopHtml of the file \k3\o2o\bos\webapp\action\DynamicForm 4 Action.class of the component Freemarker Engine. The manipulation leads to improper neutralization of special elements used in a template engine. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor explains, that in the fixed release "Freemarker is set to 'ALLOWS_NOTHING_RESOLVER' to not parse any classes."
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incomplete Filtering of Special Elements
The product receives data from an upstream component, but it does not completely filter special elements before sending it to a downstream component.
More Incomplete Filtering of Special Elements vulnerabilities (CWE-791)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other references
Recent Incomplete Filtering of Special Elements vulnerabilities
- 9.8 Critical severity
- 8.5 High severity
- 8.8 High severity
- 7.8 High severity
- 7.4 High severity
- 8.6 High severity
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