Vulnerability Database

346,508

Total vulnerabilities in the database

CVE-2024-20395 — cisco / webex_teams

Unprotected Transport of Credentials

A vulnerability in the media retrieval functionality of Cisco Webex App could allow an unauthenticated, adjacent attacker to gain access to sensitive session information.

This vulnerability is due to insecure transmission of requests to backend services when the app accesses embedded media, such as images. An attacker could exploit this vulnerability by sending a message with embedded media that is stored on a messaging server to a targeted user. If the attacker can observe transmitted traffic in a privileged network position, a successful exploit could allow the attacker to capture session token information from insecurely transmitted requests and possibly reuse the captured session information to take further actions as the targeted user.

  • Published: Jul 17, 2024
  • Updated: Nov 16, 2025
  • CVE: CVE-2024-20395
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.4
  • AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Software From Fixed in
cisco / webex_teams 3.0.13464.0 3.0.13464.0.x
cisco / webex_teams 3.0.13538.0 3.0.13538.0.x
cisco / webex_teams 3.0.13588.0 3.0.13588.0.x
cisco / webex_teams 3.0.14154.0 3.0.14154.0.x
cisco / webex_teams 3.0.14234.0 3.0.14234.0.x
cisco / webex_teams 3.0.14375.0 3.0.14375.0.x
cisco / webex_teams 3.0.14741.0 3.0.14741.0.x
cisco / webex_teams 3.0.14866.0 3.0.14866.0.x
cisco / webex_teams 3.0.15015.0 3.0.15015.0.x
cisco / webex_teams 3.0.15036.0 3.0.15036.0.x
cisco / webex_teams 3.0.15092.0 3.0.15092.0.x
cisco / webex_teams 3.0.15131.0 3.0.15131.0.x
cisco / webex_teams 3.0.15164.0 3.0.15164.0.x
cisco / webex_teams 3.0.15221.0 3.0.15221.0.x
cisco / webex_teams 3.0.15333.0 3.0.15333.0.x
cisco / webex_teams 3.0.15410.0 3.0.15410.0.x
cisco / webex_teams 3.0.15485.0 3.0.15485.0.x
cisco / webex_teams 3.0.15645.0 3.0.15645.0.x
cisco / webex_teams 4.10 4.10.x
cisco / webex_teams 4.10.343 4.10.343.x
cisco / webex_teams 4.11.211 4.11.211.x
cisco / webex_teams 4.12 4.12.x
cisco / webex_teams 4.12.236 4.12.236.x
cisco / webex_teams 4.13 4.13.x
cisco / webex_teams 4.13.200 4.13.200.x
cisco / webex_teams 4.14 4.14.x
cisco / webex_teams 4.15 4.15.x
cisco / webex_teams 4.16 4.16.x
cisco / webex_teams 4.17 4.17.x
cisco / webex_teams 4.18 4.18.x
cisco / webex_teams 4.19 4.19.x
cisco / webex_teams 3.0.15711.0 3.0.15711.0.x
cisco / webex_teams 3.0.16040.0 3.0.16040.0.x
cisco / webex_teams 3.0.16269.0 3.0.16269.0.x
cisco / webex_teams 3.0.16273.0 3.0.16273.0.x
cisco / webex_teams 3.0.16285.0 3.0.16285.0.x
cisco / webex_teams 4.0 4.0.x
cisco / webex_teams 4.1 4.1.x
cisco / webex_teams 4.1.57 4.1.57.x
cisco / webex_teams 4.1.92 4.1.92.x
cisco / webex_teams 4.2 4.2.x
cisco / webex_teams 4.2.42 4.2.42.x
cisco / webex_teams 4.8.170 4.8.170.x
cisco / webex_teams 4.9 4.9.x
cisco / webex_teams 4.9.205 4.9.205.x
cisco / webex_teams 4.9.252 4.9.252.x
cisco / webex_teams 4.9.269 4.9.269.x
cisco / webex_teams 4.20 4.20.x
cisco / webex_teams 42.1.0.169 42.1.0.169.x
cisco / webex_teams 42.1.0.2219 42.1.0.2219.x
cisco / webex_teams 42.1.0.21190 42.1.0.21190.x
cisco / webex_teams 42.2 42.2.x
cisco / webex_teams 42.2.0.21338 42.2.0.21338.x
cisco / webex_teams 42.2.0.21486 42.2.0.21486.x
cisco / webex_teams 42.3 42.3.x
cisco / webex_teams 42.3.0.21576 42.3.0.21576.x
cisco / webex_teams 42.4.1.22032 42.4.1.22032.x
cisco / webex_teams 42.5.0.22259 42.5.0.22259.x
cisco / webex_teams 42.6 42.6.x
cisco / webex_teams 42.6.0.22565 42.6.0.22565.x
cisco / webex_teams 42.6.0.22645 42.6.0.22645.x
cisco / webex_teams 42.7 42.7.x
cisco / webex_teams 42.7.0.22904 42.7.0.22904.x
cisco / webex_teams 42.7.0.23054 42.7.0.23054.x
cisco / webex_teams 42.8 42.8.x
cisco / webex_teams 42.8.0.23214 42.8.0.23214.x
cisco / webex_teams 42.8.0.23281 42.8.0.23281.x
cisco / webex_teams 42.9 42.9.x
cisco / webex_teams 42.9.0.23494 42.9.0.23494.x
cisco / webex_teams 42.10 42.10.x
cisco / webex_teams 42.10.0.23814 42.10.0.23814.x
cisco / webex_teams 42.10.0.24000 42.10.0.24000.x
cisco / webex_teams 42.11 42.11.x
cisco / webex_teams 42.11.0.24187 42.11.0.24187.x
cisco / webex_teams 42.12 42.12.x
cisco / webex_teams 42.12.0.24485 42.12.0.24485.x
cisco / webex_teams 43.1 43.1.x
cisco / webex_teams 43.1.0.24716 43.1.0.24716.x
cisco / webex_teams 43.2 43.2.x
cisco / webex_teams 43.2.0.25157 43.2.0.25157.x
cisco / webex_teams 43.2.0.25211 43.2.0.25211.x
cisco / webex_teams 4.2.75 4.2.75.x
cisco / webex_teams 4.3 4.3.x
cisco / webex_teams 4.4 4.4.x
cisco / webex_teams 4.5 4.5.x
cisco / webex_teams 4.5.224 4.5.224.x
cisco / webex_teams 4.6 4.6.x
cisco / webex_teams 4.6.197 4.6.197.x
cisco / webex_teams 4.7.78 4.7.78.x
cisco / webex_teams 4.8 4.8.x
cisco / webex_teams 43.3 43.3.x
cisco / webex_teams 43.3.0.25468 43.3.0.25468.x
cisco / webex_teams 43.4 43.4.x
cisco / webex_teams 43.4.0.25788 43.4.0.25788.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.