Fortinet is warning customers to lock down FortiMail after attackers started exploiting a critical bug that lets them write files to vulnerable systems without logging in.
The flaw, tracked as CVE-2026-104286, carries a CVSS score of 9.8 and affects multiple versions of Fortinet’s email security platform.
Fortinet describes the vulnerability as a combination of path traversal and improper handling of null characters in FortiMail’s web interface. An unauthenticated attacker can exploit it using specially crafted HTTP or HTTPS requests to write arbitrary files to the underlying system.
Read more…
Source: The Register News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- CISA Adds Two Known Exploited Vulnerabilities to Catalog
October 20, 2022
CISA has added two vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog, click on the arrow in the “Date Added ...
- CISA Releases Three Industrial Control Systems Advisories
October 20, 2022
CISA has released three (3) Industrial Control Systems (ICS) advisories on October 20, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-22-293-01 Bentley Systems MicroStation Connect ICSMA-21-294-01 B Braun Infusomat Space Large Volume Pump ...
- CISA Updates Advisory on Threat Actors Exploiting Multiple CVEs Against Zimbra Collaboration Suite
October 19, 2022
CISA and the Multi-State Information Sharing & Analysis Center (MS-ISAC) have updated joint Cybersecurity Advisory AA22-228A: Threat Actors Exploiting Multiple CVEs Against Zimbra Collaboration Suite, originally released August 16, 2022. The advisory has been updated to reference the addition of a new Malware Analysis Report, MAR-10398871.r1.v2. CISA encourages organizations to review the latest update to AA22-228A ...
- Linux dodges serious Wi-Fi security exploits
October 17, 2022
You may recall that Linus Torvalds recently added support for Rust in the Linux kernel. One of the big reasons for adding Rust was to put an end to Linux code memory problems. It can’t come soon enough. Recently, five serious Linux Wi-Fi security holes were uncovered. What did they all have in common? Go ahead, guess? ...
- Ongoing exploitation of CVE-2022-41352 (Zimbra 0-day)
October 13, 2022
On September 10, 2022, a user reported on Zimbra’s official forums that their team detected a security incident originating from a fully patched instance of Zimbra. The details they provided allowed Zimbra to confirm that an unknown vulnerability allowed attackers to upload arbitrary files to up-to-date servers. At the moment, Zimbra has released a patch ...
- Fortinet warns admins to patch critical authentication bypass bug immediately
October 7, 2022
Fortinet has warned administrators to update FortiGate firewalls and FortiProxy web proxies to the latest versions, which address a critical severity vulnerability. The security flaw (tracked as CVE-2022-40684) is an authentication bypass on the administrative interface that could allow remote threat actors to log into unpatched devices. “An authentication bypass using an alternate path or channel ...