Posts for: #Cisco

Cisco IOS XE Wireless Controller Software Arbitrary File Upload Vulnerability

#17.11  #17.11.1  #17.11.99SW  #17.11SW  #17.12  #17.12.1  #17.12.2  #17.12.3  #17.13  #17.13.1  #17.14  #17.14.1  #Cisco  #Cisco IOS XE Software 
🚨 SEVERITY: CRITICAL — CVSS 10.0 Security Advisory

TL;DR 📌

  • A vulnerability in the Out-of-Band Access Point (AP) Image Download, the Clean Air Spectral Recording, and the client debug bundles features of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system. This vulnerability is due to the presence of a hard-coded JSON Web Token (JWT) on…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20188.

What happened 🕵️‍♂️

A vulnerability in the Out-of-Band Access Point (AP) Image Download, the Clean Air Spectral Recording, and the client debug bundles features of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system.

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Multiple Cisco Products Unauthenticated Remote Code Execution in Erlang/OTP SSH Server: April 2025

#Cisco  #Cisco ASR 5000 Series Software  #Cisco Automated Fault Management  #Cisco Cloud Native Broadband Router  #Cisco ConfD  #Cisco Enterprise NFV Infrastructure Software  #Cisco Intelligent Node Manager  #Cisco Network Services Orchestrator  #Cisco Redundancy Configuration Manager  #Cisco Secure Web Appliance  #Cisco Small Business RV Series Router Firmware  #Cisco Smart PHY  #Cisco Ultra Cloud Core - Policy Control Function  #Cisco Ultra Cloud Core - Session Management Function  #Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure  #Cisco Ultra Gateway Platform 
🚨 SEVERITY: CRITICAL — CVSS 10.0 Security Advisory

TL;DR 📌

  • On April 16, 2025, a critical vulnerability in the Erlang/OTP SSH server was disclosed. This vulnerability could allow an unauthenticated, remote attacker to perform remote code execution (RCE) on an affected device. The vulnerability is due to a flaw in the handling of SSH messages during the authentication phase. For a description of this vulnerability, see the Erlang announcement [“https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2”].
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-32433.

What happened 🕵️‍♂️

On April 16, 2025, a critical vulnerability in the Erlang/OTP SSH server was disclosed. This vulnerability could allow an unauthenticated, remote attacker to perform remote code execution (RCE) on an affected device.

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Cisco Meraki MX and Z Series AnyConnect VPN with Client Certificate Authentication Denial of Service Vulnerability

#Cisco  #Cisco Meraki MX Firmware 
🚨 SEVERITY: HIGH — CVSS 8.6 Security Advisory

TL;DR 📌

  • A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the Cisco AnyConnect service on an affected device. This vulnerability is due to variable initialization errors when an SSL VPN session is established. An attacker…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20271.

What happened 🕵️‍♂️

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the Cisco AnyConnect service on an affected device.

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ClamAV UDF File Parsing Out-of-Bounds Read Information Disclosure Vulnerability

#Cisco  #Cisco Secure Endpoint 
🚨 SEVERITY: MEDIUM — CVSS 5.3 Security Advisory

TL;DR 📌

  • A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20234.

What happened 🕵️‍♂️

Impacts of ClamAV DoS Vulnerability on Affected Platforms

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Cisco Identity Services Engine Authorization Bypass Vulnerability

#Cisco  #Cisco Identity Services Engine Software 
🚨 SEVERITY: MEDIUM — CVSS 6.4 Security Advisory

TL;DR 📌

  • A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to bypass the authorization mechanisms for specific administrative functions. This vulnerability is due to insufficient authorization enforcement mechanisms for users created by SAML SSO integration with an external identity provider. An attacker could exploit this vulnerability by submitting a series of…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20264.

What happened 🕵️‍♂️

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to bypass the authorization mechanisms for specific administrative functions.

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Cisco Identity Services Stored Cross-Site Scripting Vulnerability

#Cisco  #Cisco Identity Services Engine Software 
🚨 SEVERITY: MEDIUM — CVSS 4.8 Security Advisory

TL;DR 📌

  • A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20267.

What happened 🕵️‍♂️

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface.

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Cisco Unified Communications Manager Static SSH Credentials Vulnerability

#Cisco  #Cisco Unified Communications Manager 
🚨 SEVERITY: CRITICAL — CVSS 10.0 Security Advisory

TL;DR 📌

  • A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that cannot be changed or deleted. This vulnerability is due to the presence of static user credentials for…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20309.

What happened 🕵️‍♂️

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to log in to an affected device using the root account, which has default, static credentials that cannot be changed or deleted.

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Cisco Enterprise Chat and Email Stored Cross-Site Scripting Vulnerability

#Cisco  #Cisco Enterprise Chat and Email 
🚨 SEVERITY: MEDIUM — CVSS 6.1 Security Advisory

TL;DR 📌

  • A vulnerability in the web UI of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web UI does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20310.

What happened 🕵️‍♂️

A vulnerability in the web UI of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface.

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Cisco Spaces Connector Privilege Escalation Vulnerability

#Cisco  #Cisco DNA Spaces Connector 
🚨 SEVERITY: MEDIUM — CVSS 6.0 Security Advisory

TL;DR 📌

  • A vulnerability in Cisco Spaces Connector could allow an authenticated, local attacker to elevate privileges and execute arbitrary commands on the underlying operating system as root. This vulnerability is due to insufficient restrictions during the execution of specific CLI commands. An attacker could exploit this vulnerability by logging in to the Cisco Spaces Connector CLI as the spacesadmin user and…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20308.

What happened 🕵️‍♂️

A vulnerability in Cisco Spaces Connector could allow an authenticated, local attacker to elevate privileges and execute arbitrary commands on the underlying operating system as root.

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Cisco BroadWorks Application Delivery Platform Cross-Site Scripting Vulnerability

#Cisco  #Cisco BroadWorks 
🚨 SEVERITY: MEDIUM — CVSS 4.8 Security Advisory

TL;DR 📌

  • A vulnerability in the web-based management interface of Cisco BroadWorks Application Delivery Platform could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code…
  • No fixed release listed yet; apply mitigations and monitor.
  • Workarounds are documented in the advisory.
  • CVEs: CVE-2025-20307.

What happened 🕵️‍♂️

A vulnerability in the web-based management interface of Cisco BroadWorks Application Delivery Platform could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface.

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