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Kaspersky Security Bulletin 2020
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Siemens Reyrolle 7SR5
CISA advisory covers 14 vulnerabilities, CVSS 9.8, in Siemens Reyrolle 7SR5 energy-sector protection relays before V2.70.
CISA advisory ICSA-26-258-05 covers 14 vulnerabilities in Siemens Reyrolle 7SR5 protection relays before V2.70, used in the energy sector worldwide, with aggregate CVSS v3 of 9.8. Flaws include Cesanta Mongoose web server issues (CVE-2024-42384 through CVE-2024-42392) and new bugs such as web-interface session-ID exposure enabling authentication bypass (CVE-2026-62645, CVSS 9.8), predictable session tokens (CVE-2026-62646, CVE-2026-62647), and pre-auth out-of-bounds writes (CVE-2026-62648). Siemens has released V2.70 and recommends updating to the latest version.
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Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026
Cisco's September 2026 hardening release for Secure Email Gateway and Secure Email and Web Manager patches internally found flaws, one actively exploited.
Cisco issued a security hardening release for Cisco Secure Email Gateway and Secure Email and Web Manager covering multiple internally discovered vulnerabilities, grouped by CWE class to streamline patching. Cisco states one of the vulnerabilities is known to be actively exploited. The exploited issue is the Cisco Secure Email Gateway SQL Injection Vulnerability detailed in a companion advisory. Software updates are available.
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JWT used for authentication in web GUI signed with static key
Fortinet warns that FortiMonitorOnSight's web GUI uses JWTs signed with a static key, enabling remote unauthenticated authentication bypass.
Fortinet advisory FG-IR-26-170 discloses a CVSS 9.6 vulnerability (CWE-540, sensitive information in source code) in the FortiMonitorOnSight web portal. The web GUI's JWT authentication tokens are signed with a static key, allowing a remote unauthenticated attacker to bypass authentication via forged or reused JWTs. The advisory was revised on September 8, 2026.
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Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability
Cisco patched an authenticated command injection in ThousandEyes Virtual Appliance allowing arbitrary OS command execution with root privileges.
Improper validation of user-supplied input in the web-based management interface of Cisco ThousandEyes Virtual Appliance enables command injection. An authenticated remote attacker with valid administrative credentials can save configuration details containing malicious values to execute arbitrary operating system commands with root privileges. Cisco has released software updates that address the vulnerability.
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Update your firewall rules: Teams and Copilot are changing address
Microsoft is redirecting Microsoft 365 and Teams web users to new *.cloud.microsoft domains, requiring firewall and proxy rule updates by early October.
Starting September 2026, Microsoft is redirecting M365 web users to copilot.cloud.microsoft and Teams web users to teams.cloud.microsoft, announced via MessageCenter posts MC1465764 and MC1462915. All redirects should complete by early October 2026, with limited Teams exceptions possible until December 31, 2026. Microsoft advises reviewing client, proxy, firewall, and secure web gateway configurations, and suggests using TenantRestrictions to control personal Microsoft account access instead of blocking the new Copilot address.
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ST Engineering iDirect iQ-Series Terminals (Update A)
CISA advisory details four flaws in ST Engineering iDirect iQ-Series VSAT terminals <=4.5.2.1, enabling device data theft, CSRF-driven reboots, and local privilege escalation.
CISA's Update A to ICSA-26-183-01 covers ST Engineering iDirect iQ-Series, 3315-Series and 9-Series terminals at firmware <=4.5.2.1, deployed across communications, defense, energy and transportation. CVE-2026-38059 exposes unauthenticated /api/identity and /api/ endpoints leaking serial number, DID, TPK, MAC address and firmware version, potentially enabling terminal impersonation; CVE-2026-38057 is a CSRF flaw letting an attacker force terminal reboots and satellite link loss via /api/reboot. CVE-2026-38056 enables local privilege escalation using the factory-configured technician account (CVSS 3.1 8.8, CVSS 4.0 9.4), and CVE-2026-38058 exposes crackable MD5-crypt root password hashes. All four flaws were reported to CISA by Ahmed Alqahtani of Aramco.
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Cisco Unified Intelligence Center SQL Injection Vulnerability
Cisco patched a blind SQL injection in Unified Intelligence Center's web interface allowing authenticated local attackers to read the internal database.
Cisco disclosed a blind SQL injection vulnerability in the web-based management interface of Unified Intelligence Center, caused by insufficient validation of user-supplied input. An authenticated local attacker can send crafted requests and read the contents of the device's internal database. Exploitation requires valid user credentials, and Cisco has released software updates.
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Cisco Identity Services Engine Authentication Bypass Vulnerability
Cisco patched an unauthenticated API authentication bypass in Identity Services Engine allowing attackers to access the web-based management interface.
A vulnerability in an API of Cisco Identity Services Engine (ISE) stems from insufficient authentication control on an API endpoint. An unauthenticated remote attacker can send a crafted request to bypass authentication and gain unauthorized access to the device via the web-based management interface. Cisco has released software updates and no workarounds are available.
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Cisco Integrated Management Controller Argument Injection Vulnerabilities
Cisco patched multiple argument-injection vulnerabilities in Cisco IMC's web management interface allowing authenticated attackers root command execution.
Cisco published an advisory covering multiple argument injection vulnerabilities in the web-based management interface of Cisco Integrated Management Controller (IMC). An authenticated, remote attacker could exploit them to execute arbitrary commands on the underlying operating system and elevate privileges to root. Cisco released software updates and states there are no workarounds; the advisory carries a High Security Impact Rating.
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Cisco security advisory (AV26-921)
Canadian Cyber Centre warns actively exploited Cisco Secure Email Gateway SQL injection CVE-2026-76461 was added to CISA's KEV database.
The Canadian Centre for Cyber Security advisory AV26-921 (September 14, 2026) covers a SQL injection vulnerability in Cisco Secure Email Gateway (AsyncOS) and Secure Email and Web Manager. Affected versions include AsyncOS/Secure Email Gateway prior to 15.5.5-014, 16.0.4-302, and 16.5.0-780, and Secure Email and Web Manager prior to 15.5.5-006 and 16.5.0-429. Cisco stated CVE-2026-76461 is being actively exploited, and CISA added it to the Known Exploited Vulnerabilities database the same day. Users and administrators are urged to apply updates as they become available.
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USN-8747-1: Beets vulnerability
Ubuntu released USN-8747-1 fixing a Beets web interface flaw that let attackers inject HTML or execute JavaScript via untrusted media metadata.
Ubuntu Security Notice USN-8747-1 addresses a vulnerability in the Beets music library manager, which incorrectly escaped untrusted media metadata in its web interface. An attacker could exploit this to inject arbitrary HTML or execute arbitrary JavaScript code in a user's browser. Updated packages are available for affected Ubuntu releases.
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AVEVA Pipeline Integrity Monitor
CISA advisory details four flaws in AVEVA Pipeline Integrity Monitor <=2025_SP1_P1, allowing information disclosure, weak-hash admin elevation, and cross-site scripting.
CISA published ICSA-26-253-01 covering AVEVA Pipeline Integrity Monitor versions <=2025_SP1_P1_build_7.1.9580.8513. CVE-2026-81821 (hard-coded cryptographic key, CWE-321) lets a user with read access decrypt PIMBoards project files, and CVE-2026-81822 (CWE-327) allows brute-forcing weak password hashes to elevate to PIMBoards administrator; both score 8.4 HIGH (CVSS v3.1). CVE-2026-81823 (CWE-862) permits unauthenticated read operations, and CVE-2026-81824 (CWE-79) enables arbitrary JavaScript execution via socially engineered links. CISA reports no known public exploitation and recommends limiting network exposure of control system devices.
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Windows 11 cumulative updates KB5124008 & KB5122880 released
Microsoft shipped mandatory September 2026 Patch Tuesday cumulative updates KB5124008 and KB5122880 for Windows 11, fixing vulnerabilities and adding features.
Microsoft released Windows 11 KB5124008 (versions 25H2/24H2) and KB5122880 (23H2) cumulative updates containing the September 2026 Patch Tuesday security patches, described as covering 1,000 vulnerabilities discovered in previous months. The updates are mandatory and add features including movable and resizable taskbars, Start menu customization, a Windows Search option to hide Bing and Store web suggestions, and Administrator Protection, a just-in-time admin privilege feature that is off by default and configurable via Intune OMA-URI or Group Policy.
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CISA tells operators to harden Siemens S7 PLCs. Here’s how to do it without disrupting production
CISA, NSA, FBI and other agencies warn of active targeting of internet-exposed Siemens S7 PLCs and urge patching, exposure removal and hardening.
Joint advisory AA26-231A from the NSA, CISA, FBI, Department of Energy and EPA warns that actors are actively targeting Siemens S7 PLCs using internet scanning, AI-assisted scripts and libraries such as Snap7 and python-snap7 over S7comm on TCP port 102. The advisory covers S7-200 through S7-1500 series controllers and recommends patching, removing internet exposure, access controls, monitoring and disabling unneeded services. Siemens states no new S7 vulnerabilities are involved, only misconfigurations addressed in existing ProductCERT guidance SSB-104599. The article details how to apply each measure without breaking production dependencies such as remote I/O, HMI links and diagnostics.
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Progress Software security advisory (AV26-875)
Canada's Cyber Centre warns Progress Telerik UI for ASP.NET AJAX before 2026.3.812 is affected by path traversal and upload tampering flaws, urging updates.
The Canadian Centre for Cyber Security issued advisory AV26-875 on September 2, 2026, covering vulnerabilities in Progress Software Telerik UI for ASP.NET AJAX prior to version 2026.3.812. Two flaws are listed: CVE-2026-18672, a path traversal in the Telerik Web Forms RadImageEditor, and CVE-2026-19219, a DialogHandler UploadPaths tampering vulnerability. Administrators are encouraged to review the provided links and apply available updates.
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