VDB-136742 · CVE-2019-1903 · BID 108857

Cisco Security Manager XML Data xml external entity reference

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cisco Security Manager and classified as critical. Affected by this issue is some unknown functionality of the component XML Data Handler. Such manipulation leads to xml external entity reference. This vulnerability is uniquely identified as CVE-2019-1903. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Security Manager (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code of the component XML Data Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in Cisco Security Manager could allow an unauthenticated, remote attacker to access sensitive information or cause a denial of service (DoS) condition. The vulnerability is due to improper restrictions on XML entities. An attacker could exploit this vulnerability by sending malicious requests to a targeted system that contain references within XML entities. An exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the application to consume available resources, resulting in a DoS condition.

The weakness was disclosed 06/20/2019 as cisco-sa-20190619-csm-xml as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2019-1903 since 12/06/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Cisco

Name

Security Manager

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2018 🔍
06/20/2019 +196 days 🔍
06/20/2019 +0 days 🔍
10/07/2023 +1570 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190619-csm-xml
Status: Confirmed

CVE: CVE-2019-1903 (🔍)
GCVE (CVE): GCVE-0-2019-1903
GCVE (VulDB): GCVE-100-136742
SecurityFocus: 108857

Entryinfo

Created: 06/20/2019 13:20
Updated: 10/07/2023 08:26
Changes: 06/20/2019 13:20 (40), 06/26/2020 09:27 (17), 10/07/2023 08:24 (4), 10/07/2023 08:26 (12)
Complete: 🔍
Cache ID: 216::103