4.3

CVE-2021-1242: cisco cisco webex teams Multiple Interpretations of UI Input

CVSS: 4.3v3.1MediumModified
Published 13-01-2021Last modified 12-11-2024
Open JSON

Vulnerability summary

CVE-2021-1242 is a medium (CVSS 4.3) Multiple Interpretations of UI Input vulnerability in cisco cisco webex teams. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.4% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.37%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-01-2021
    PublishedVulnerability first disclosed.
  2. 12-11-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.37%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.02 pp

From 1.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products

1 vendor · 2 products

References

1 links