CVE Tools
Sign in

CVE-2021-1242

Cisco Webex Teams Shared File Manipulation Vulnerability

Published: Jan 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-450
4.3MEDIUM
NVD MITRE
EPSS Score
1.4%
Top 31.1%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-450NVD-CWE-noinfo

Affected Products

Cisco Systems Inc.
commercial·USaka cisco, cisco systems
webex teams
Networking Infrastructure
Cisco Webex Teams
Networking Infrastructure
and 1 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2021-1242?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-teams-7ZMcXG99
tools.cisco.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-1242 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows