CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Citrix XenServer 5.0/5.5 (Virtualization Software). This affects an unknown functionality. The manipulation with an unknown input leads to a local privilege escalation vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in Citrix XenServer 5.0 Update 3 and earlier, and 5.5, allows local users to bypass authentication and execute unspecified Xen API (XAPI) calls via unknown vectors.

The weakness was presented 02/12/2010 (Website). It is possible to read the advisory at support.citrix.com. This vulnerability is uniquely identified as CVE-2010-0633 since 02/12/2010. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Virtualization Software

Vendor

• Citrix

Name

• XenServer

Version

• 5.0
• 5.5

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/02/2010 🔍
02/02/2010 +0 days 🔍
02/03/2010 +1 days 🔍
02/03/2010 +0 days 🔍
02/12/2010 +9 days 🔍
02/12/2010 +0 days 🔍
02/12/2010 +0 days 🔍
03/01/2010 +17 days 🔍
03/18/2015 +1843 days 🔍
02/21/2017 +706 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-0633 (🔍)
SecurityTracker: 1023530 - Citrix XenServer XAPI Bug Lets Local Users Gain Elevated Privileges
Vulnerability Center: 24934 - Citrix XenServer 5.5 and 5.0 Update 3 and Prior Local Authentication Bypass Vulnerability, Medium
SecurityFocus: 38052 - Citrix XenServer Authentication Bypass Vulnerability
Secunia: 38431 - XenServer Xen API Security Bypass Vulnerability, Moderately Critical
Vupen: ADV-2010-0290

Entryinfo

Created: 03/18/2015 15:15
Updated: 02/21/2017 17:19
Changes: 03/18/2015 15:15 (49), 02/21/2017 17:19 (17)
Complete: 🔍

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