| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.6 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in HP HP-UX 11.00/11.11/11.23. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2006-4820. No exploit exists. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in HP HP-UX 11.00/11.11/11.23 (Operating System). It has been classified as problematic. This affects some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
Unspecified vulnerability in X.25 on HP-UX B.11.00, B.11.11, and B.11.23 allows local users to cause an unspecified denial of service via unknown vectors.
The bug was discovered 09/13/2006. The weakness was disclosed 09/15/2006 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2006-4820 since 09/15/2006. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22430 (HP-UX PHNE_34009 : HP-UX running X.25 Local Denial of Service (Dos) (HPSBUX02126 SSRT051019 rev.1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family HP-UX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115412 (HP-UX X.25 Transport Protocol Local Denial of Service Vulnerability (HPSBUX02126)).
Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (28954), Tenable (22430), SecurityFocus (BID 20029†), OSVDB (28828†) and Secunia (SA21928†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.hp.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 3.6
VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 22430
Nessus Name: HP-UX PHNE_34009 : HP-UX running X.25 Local Denial of Service (Dos) (HPSBUX02126 SSRT051019 rev.1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
09/13/2006 🔍09/13/2006 🔍
09/14/2006 🔍
09/15/2006 🔍
09/15/2006 🔍
09/15/2006 🔍
09/15/2006 🔍
09/15/2006 🔍
09/15/2006 🔍
09/22/2006 🔍
09/25/2006 🔍
03/12/2015 🔍
06/16/2025 🔍
Sources
Vendor: hp.comAdvisory: securityfocus.com⛔
Status: Confirmed
CVE: CVE-2006-4820 (🔍)
GCVE (CVE): GCVE-0-2006-4820
GCVE (VulDB): GCVE-100-32307
OVAL: 🔍
X-Force: 28954
SecurityFocus: 20029 - HP-UX X.25 Transport Protocol Local Denial of Service Vulnerability
Secunia: 21928 - HP-UX X.25 Denial of Service Vulnerability, Not Critical
OSVDB: 28828 - CVE-2006-4820 - HP-UX - Unspecified Issue
SecurityTracker: 1016857
Vulnerability Center: 12771 - X.25 on HP-UX B.11.00, B.11.11, and B.11.23 Local DoS due to an Unspecified Vulnerability, Medium
Vupen: ADV-2006-3634
Entry
Created: 03/12/2015 15:51Updated: 06/16/2025 02:42
Changes: 03/12/2015 15:51 (67), 07/08/2019 18:05 (13), 06/16/2025 02:42 (18)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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