VDB-164484 · CVE-2020-3573 · GCVE-0-2020-3573

Cisco WebEx Network Recording Player/Webex Player on Windows Email Attachment memory corruption

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Cisco WebEx Network Recording Player and Webex Player on Windows. Affected by this issue is some unknown functionality of the component Email Attachment Handler. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2020-3573. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Cisco WebEx Network Recording Player and Webex Player on Windows (Unified Communication Software) (unknown version). Affected is an unknown code block of the component Email Attachment Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 11/07/2020 as cisco-sa-webex-nbr-NOS6FQ24. The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2020-3573. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

12/12/2019 🔍
11/07/2020 +331 days 🔍
11/07/2020 +0 days 🔍
12/03/2020 +26 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-webex-nbr-NOS6FQ24
Status: Confirmed

CVE: CVE-2020-3573 (🔍)
GCVE (CVE): GCVE-0-2020-3573
GCVE (VulDB): GCVE-100-164484

Entryinfo

Created: 11/07/2020 07:17
Updated: 12/03/2020 17:23
Changes: 11/07/2020 07:17 (39), 12/03/2020 17:17 (2), 12/03/2020 17:23 (19)
Complete: 🔍
Cache ID: 216::103