Vulnerability · Published Jan 13, 2021 · Assigned by cisco

CVE-2021-1242Cisco Webex Teams Shared File Manipulation Vulnerability

Medium 4.3

In plain English

A medium-severity security flaw in Cisco Webex Teams from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)1.4%top 28.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in Cisco Webex Teams could allow an unauthenticated, remote attacker to manipulate file names within the messaging interface. The vulnerability exists because the affected software mishandles character rendering. An attacker could exploit this vulnerability by sharing a file within the application interface. A successful exploit could allow the attacker to modify how the shared file name displays within the interface, which could allow the attacker to conduct phishing or spoofing attacks.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Webex Teams	n/a

Weakness: CWE-450 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

20210113 Cisco Webex Teams Shared File Manipulation Vulnerability vendor-advisory, x_refsource_CISCO