Vulnerability Details : CVE-2021-1242
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.
Products affected by CVE-2021-1242
- cpe:2.3:a:cisco:webex_teams:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-1242
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1242
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
Cisco Systems, Inc. | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-1242
-
The UI has multiple interpretations of user input but does not prompt the user when it selects the less secure interpretation.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2021-1242
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-teams-7ZMcXG99
Cisco Webex Teams Shared File Manipulation VulnerabilityVendor Advisory
Jump to