VDB-14705 · CVE-1999-0938 · GCVE-0-1999-0938

University College London SDR 2.6.2 SIP Message Metacharacter privileges management

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in University College London SDR 2.6.2. It has been classified as critical. This impacts an unknown function of the component SIP Message Handler. The manipulation as part of Metacharacter leads to privileges management. This vulnerability is referenced as CVE-1999-0938. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in University College London SDR 2.6.2. It has been rated as critical. This issue affects an unknown code block of the component SIP Message Handler. The manipulation as part of a Metacharacter leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

MBone SDR Package allows remote attackers to execute commands via shell metacharacters in Session Initiation Protocol (SIP) messages.

The weakness was published 06/28/1999. The identification of this vulnerability is CVE-1999-0938. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

University College London

Name

Version

2.6.2

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/28/1999 🔍
06/28/1999 +0 days 🔍
06/21/2014 +5472 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Status: Confirmed

CVE: CVE-1999-0938 (🔍)
GCVE (CVE): GCVE-0-1999-0938
GCVE (VulDB): GCVE-100-14705

Entryinfo

Created: 06/21/2014 11:53
Updated: 04/19/2026 05:36
Changes: 06/21/2014 11:53 (39), 05/21/2018 10:04 (6), 04/19/2026 05:36 (19)
Complete: 🔍
Cache ID: 216::103