CylanceOPTICS for Windows: Authentication Bypass Using an Alternate Path or Channel
CVE-2024-35214 is a high-severity authentication bypass using an alternate path or channel vulnerability in CylanceOPTICS for Windows from BlackBerry, with a CVSS 4.0 base score of 7.1 out of 10. It can be exploited with local access to the system by an attacker with administrator privileges, without any action from a user. Affected CylanceOPTICS for Windows versions: 3.2 and 3.3. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.19% 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 CylanceOPTICS for Windows you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| BlackBerry | CylanceOPTICS for Windows | 3.2 and 3.3 | Not stated |
| Blackberry | cylanceoptics | 3.2; 3.3 | 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
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Attack requirements
- NoneThe attack does not depend on a particular deployment or configuration.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Confidentiality (vulnerable system)
- HighSerious loss of confidentiality on the vulnerable system.
- Integrity (vulnerable system)
- HighSerious loss of integrity on the vulnerable system.
- Availability (vulnerable system)
- HighSerious loss of availability on the vulnerable system.
- Confidentiality (other systems)
- NoneNo loss of confidentiality on systems beyond the vulnerable one.
- Integrity (other systems)
- NoneNo loss of integrity on systems beyond the vulnerable one.
- Availability (other systems)
- NoneNo loss of availability on systems beyond the vulnerable one.
Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. Scored by CNA (blackberry.com).
Official description
A tampering vulnerability in the CylanceOPTICS Windows Installer Package of CylanceOPTICS for Windows version 3.2 and 3.3 could allow an attacker to potentially uninstall CylanceOPTICS from a system thereby leaving it with only the protection of CylancePROTECT.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Authentication Bypass Using an Alternate Path or Channel
The product requires authentication, but the product has an alternate path or channel that does not require authentication.
How developers prevent this class of flaw
- Funnel all access through a single choke point to simplify how users can access a resource. For every access, perform a check to determine if the user has permissions to access the resource.
More Authentication Bypass Using an Alternate Path or Channel vulnerabilities (CWE-288)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Recent Authentication Bypass Using an Alternate Path or Channel vulnerabilities
- 9.9 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 7.3 High severity
- 9.1 Critical severity
- 10.0 Critical severity
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