CVE-2006-2369
HighPublic exploitRealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not…
Published May 15, 2006 · Updated Aug 7, 2024
Key Facts
Patch immediately- CVE-2006-2369 is a high-severity vulnerability (CVSS 7.5 v2) affecting Realvnc (Vnc).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 92% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
92%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-2369 brief as a PDF
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Description
RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, as originally demonstrated using a long password.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| RealvncVnc | 4.1.1 | n/a |
Timeline
Publicly disclosed
May 15, 2006
Last updated
Aug 7, 2024
Weakness Type
- CWE-287 Improper Authentication
References
- advisory20789
- advisoryADV-2006-1790
- advisoryADV-2006-1821
- advisoryADV-2006-2492
- patch20107
FAQ
Common Questions.
RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, as originally demonst…
Affected: Realvnc (Vnc) versions 4.1.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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