News
Every CyberSIXT summary, newest first, with a link to its story and to the original report.
Most articles on Wed 21 Oct (96); 9–13 on weekend days.
Show as table
| Day | Articles published |
|---|---|
| Sun 11 Oct | 9 |
| Mon 12 Oct | 56 |
| Tue 13 Oct | 85 |
| Wed 14 Oct | 86 |
| Thu 15 Oct | 78 |
| Fri 16 Oct | 61 |
| Sat 17 Oct | 10 |
| Sun 18 Oct | 10 |
| Mon 19 Oct | 60 |
| Tue 20 Oct | 86 |
| Wed 21 Oct | 96 |
| Thu 22 Oct | 84 |
| Fri 23 Oct | 68 |
| Sat 24 Oct | 13 |
| Today, Sun 25 Oct | 9 so far |
Wed 14 Oct· 1 article
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Cisco Email Gateway Flaw Exploited to Run Commands as Root
Cisco has warned that active attacks are exploiting a critical vulnerability in its Secure Email Gateway. The flaw, tracked as CVE-2026-76519 (CVSS 9.8), can allow a sender with no login to write files to the appliance’s operating system and, if successful,…
Thu 1 Oct· 1 article
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Cisco SD-WAN Flaw Exploited to Bypass Authentication as Admin
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities (KEV) catalog after reports of active exploitation. The flaw, tracked as CVE-2026-76504, carries a CVSS score of…
Wed 30 Sep· 1 article
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Cisco Warns of Active Exploitation in Critical SD-WAN Flaw
Cisco says attackers are exploiting a critical authentication bypass in the Cisco Catalyst SD-WAN Manager, potentially allowing remote unauthenticated access via the Manager’s API. The flaw is tracked as CVE-2026-76504 and scores 9.8 out of 10 on CVSS. It…
Fri 11 Sep· 1 article
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Cisco Firewall Flaws Exploited to Deploy Web Shells and Ransomware
Cisco has disclosed ongoing exploitation of two patched vulnerabilities in its Secure Firewall Management Center (FMC) by multiple threat clusters linked to ransomware and state‑sponsored activity. CVE-2026-20079, an authentication bypass affecting FMC’s web…
Thu 10 Sep· 1 article
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CISA Flags Cisco, Citrix and Fortinet Flaws Under Active Attack
CISA has added three actively exploited flaws to the Known Exploited Vulnerabilities (KEV) catalog, affecting Cisco, Citrix, and Fortinet products, with a deadline of 12 September 2026 for Federal Civilian Executive Branch (FCEB) agencies to apply patches.…
Thu 25 Jun· 1 article
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CVE-2026-20245 exposes Cisco Catalyst SD WAN zero day flaw
Cisco Catalyst SD-WAN is facing a critical zero-day vulnerability, CVE-2026-20245, that allows malicious actors to gain root access. This vulnerability was exploited to compromise devices, raising alarms in the cybersecurity community. The article emphasizes…
Sat 6 Jun· 1 article
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Critical Cisco SDWAN flaw CVE-2026-20245 exploited, no patch
A critical vulnerability (CVE-2026-20245) has been identified in Cisco Catalyst SD-WAN Manager, which is actively exploited and currently has no patch available. The issue raises significant concerns for network security and emphasizes the urgency for…
Thu 4 Jun· 1 article
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Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public
Cisco has released patches for CVE-2026-20230 in its Unified CM software following the public disclosure of exploit code for this vulnerability. This security update is critical for protecting network systems from potential attacks. The advisory underscores…
Mon 18 May· 1 article
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Microsoft Exchange zero day bug exploited in the wild
The Hacker News’ weekly recap for 18 May 2026 surveys a flurry of cyber incidents from Exchange 0‑day exploits to a worm propagating through npm packages. It flags On‑Prem Microsoft Exchange Server CVE-2026-42897 as being exploited in the wild, described as…
Fri 15 May· 1 article
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CISA warns of Cisco Catalyst SDWAN flaw amid active exploitation
According to The Hacker News, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a newly disclosed vulnerability affecting Cisco Catalyst SD-WAN Controller to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian…
Thu 14 May· 1 article
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Cisco Catalyst SD-WAN Controller Auth Bypass Actively Exploited to Gain Admin Access
Cisco has released updates to fix a maximum-severity authentication bypass in the Catalyst SD-WAN Controller, which has been exploited in limited attacks. According to Rapid7, which discovered CVE-2026-20182, the flaw stems from a malfunction in the peering…
Fri 24 Apr· 1 article
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Cisco ASA Backdoor FIRESTARTER Persists After Patches, NCSC Warns
According to the advisory, FIRESTARTER is a backdoor discovered on a federal Cisco Firepower device running ASA software, compromised in September 2025 to enable remote access and control. The backdoor is believed to be part of a “widespread” campaign by an…
Tue 21 Apr· 1 article
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CISA adds eight KEV flaws, Cisco SDWAN bugs actively exploited
According to CISA, eight new vulnerabilities were added to the Known Exploited Vulnerabilities catalog, including three flaws affecting Cisco Catalyst SD-WAN Manager and evidence of active exploitation. The newly listed CVEs are CVE-2023-27351 (PaperCut…
Thu 2 Apr· 1 article
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Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise
Cisco has issued fixes for a critical IMC flaw, CVE-2026-20093, which could allow an unauthenticated, remote attacker to bypass authentication and gain elevated privileges, potentially changing any user password and accessing the system as that user, with a…
Thu 19 Mar· 1 article
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CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks
CISA has urged government agencies to patch two actively publicized flaws in the Zimbra Collaboration Suite and Microsoft Office SharePoint, noting they have been exploited in the wild. The vulnerabilities are CVE-2025-66376, a stored cross-site scripting…
Wed 18 Mar· 1 article
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Interlock Ransomware Exploits Cisco FMC Zero-Day CVE-2026-20131 for Root Access
Interlock ransomware is exploiting Cisco Secure Firewall Management Center (FMC) zero-day CVE-2026-20131 to gain root access, with researchers noting the flaw allows an unauthenticated, remote attacker to bypass authentication and run arbitrary Java code as…
Thu 5 Mar· 1 article
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Cisco warns CVE-2026-20122 and CVE-2026-20128 exploited in SD-WAN
Cisco has disclosed that two Catalyst SD-WAN Manager vulnerabilities are under active exploitation in the wild. The flaws are CVE-2026-20122, an arbitrary file overwrite issue with a CVSS of 7.1, and CVE-2026-20128, an information-disclosure flaw with a CVSS…
Mon 2 Mar· 1 article
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Cisco SD WAN CVE-2026-20127 flaw bypasses auth for admin
The weekly recap highlights several high‑impact issues, including a Cisco SD‑WAN zero‑day that has been exploited since 2023 for admin access, tracked as CVE‑2026‑20127 with a CVSS score of 10.0. According to Cisco, exploitation is part of post‑compromise…
Thu 26 Feb· 1 article
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Critical CVE-2026-20127 in Cisco SD WAN gives remote admin access
Cisco has disclosed a maximum-severity flaw in the Cisco Catalyst SD-WAN Controller (formerly vSmart) and Catalyst SD-WAN Manager (formerly vManage), tracked as CVE-2026-20127 (CVSS 10.0), which has been exploited in the wild since 2023 to grant…
Mon 26 Jan· 1 article
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⚡ Weekly Recap: Firewall Flaws, AI-Built Malware, Browser Traps, Critical CVEs & More
The weekly recap paints a picture of risk moving into everyday tools, with Fortinet confirming activity around a FortiCloud SSO authentication bypass on fully patched FortiGate firewalls, tied to an incomplete patch for CVE-2025-59718 and CVE-2025-59719.…
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