Co2scope: Improper Preservation of Permissions
CVE-2024-53355 is a high-severity improper preservation of permissions vulnerability in Co2scope from Easyvirt, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Co2scope versions: 1.3.0 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.57% 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 Co2scope you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Easyvirt | Co2scope | 1.3.0 and earlier | Not stated |
| Easyvirt | Dcscope | 8.6.0 and earlier | 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
- LowA basic user account is enough.
- 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:L/UI:N/S:U/C:H/I:H/A:H. Scored by CISA (ADP).
Official description
Multiple incorrect access control issues in EasyVirt DCScope <= 8.6.0 and CO2Scope <= 1.3.0 allows remote authenticated attackers, with low privileges, to (1) add an admin user via the /api/user/addalias route; (2) modifiy a user via the /api/user/updatealias route; (4) delete users via the /api/user/delalias route; (4) get users via the /api/user/aliases route; (5) add a root group via the /api/user/adduser route; (6) modifiy a group via the /api/user/updateuser route; (7) delete a group via the /api/user/deluser route; (8) get groups via the /api/user/users route; (9) add an admin role via the /api/user/addrole route; (10) modifiy a role via the /api/user/updaterole route; (11) delete a role via the /api/user/delrole route; (12) get roles via the /api/user/roles route.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Preservation of Permissions
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.
More Improper Preservation of Permissions vulnerabilities (CWE-281)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- github.com/Elymaro/CVE/blob/main/EasyVirt/CVE-2024-53355.mdExploit, Third Party Advisory
Other vulnerabilities in Co2scope
- 9.1 Critical severity
- 9.8 Critical severity
- 7.5 High severity
- 9.8 Critical severity
Recent Improper Preservation of Permissions vulnerabilities
- 8.4 High severity
- 7.5 High severity
- 8.1 High severity
- 8.8 High severity
- 9.1 Critical severity
- 7.8 High severity
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