Fortinet
Fortinet FortiManager Missing Authentication Vulnerability
At a glance
Actively exploited in the wild — prioritise confirming exposure.
Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Fortinet FortiManager Cloud, treat it as High.
Briefing
There is no written leader briefing for this story yet. These questions come from the facts we hold.
Questions to ask IT
- Do we run Fortinet FortiManager Cloud, and which versions?
- Is any of it reachable from the internet?
- Have we checked whether it has already been used against us?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 12 Nov?
Next steps
- Confirm exposure and remediation status for affected products
Vulnerability facts
Full CVE detail CVE-2024-47575- 9.8 · CriticalExploitable over the network without any account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Listed: attacks using it have been seen
- Elevated attack likelihood (~94.8% in 30 days)
- 7.4.4 and earlier, 7.2.7 and earlier, 7.0.12 and earlier, 6.4.14 and earlier, 6.2.12 and earlier, 6.4.7 and earlier
No technical write-up beyond these facts and the summary below yet.
Next steps
- Confirm whether affected products/versions are present and prioritise patching or mitigations
Summary
- We investigated an intrusion where attackers exploited CVE-2024-47575 to target 500+ firewalls and deploy PEERSTITCH, a memory-resident ARM64 malware. The post Unit 42 Uncovers PEERSTITCH, a Stealthy FortiGate Implant appeared first on Unit 42.
- CVE-2024-47575 is confirmed as exploited in the wild (US known-exploited catalogue)
- Authoritative catalogues report active exploitation of this vulnerability.
Products and services involved
- Fortinet FortiManager Cloud90% match confidence · CVE-2024-47575
Part of Multiple authentication bypass vulnerabilities disclosed
Pulse
Last checked 3d ago · Recheck overdue since 6 Nov 2026, 10:34 UK time
- Story14 Oct 2026, 23:33 UK time · 14 Oct
Linked reporting from Unit 42 (research).
Read source (Unit 42) - Signal5 Nov 2026, 10:34 UK time · 3d ago
in the next 30 days first recorded at 94.8% (elevated likelihood signal, not confirmed exploitation).
2 entries so far. The timeline chart appears once this story has more history.
Sources
Unit 42 Uncovers PEERSTITCH, a Stealthy FortiGate Implant
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Fortinet FortiManager Missing Authentication Vulnerability
- ProbableSummary fact75% confidence
We investigated an intrusion where attackers exploited CVE-2024-47575 to target 500+ firewalls and deploy PEERSTITCH, a memory-resident ARM64 malware. The post Unit 42 Uncovers PEERSTITCH, a Stealthy FortiGate Implant appeared first on Unit 42.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2024-47575
- ConfirmedKnown-exploited catalogue98% confidence
CVE-2024-47575 is confirmed as exploited in the wild (US known-exploited catalogue)

