CVE-2024-24957
Public exploit available. Not confirmed exploited in the wild yet. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Several out-of-bounds write vulnerabilities exist in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities.This CVE tracks the arbitrary null-byte write vulnerability located in firmware 1.2.10.9 of the P3-550E at offset `0xb6aa4`.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
2 sources with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
0.5% chance of exploitation activity in the next 30 days, which ranks it in the 39th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
The patch came 387 days before any public exploit.
- Public exploit / PoCsource: other
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- p3-550e firmwareICS / OT / IoT
- P3-550EICS / OT / IoT
- Productivity 1000 P1-540 CPUICS / OT / IoT
- Productivity 1000 P1-550 CPUICS / OT / IoT
- Productivity 2000 P2-550 CPUICS / OT / IoT
- Productivity 3000 P3-530 CPUICS / OT / IoT
- Productivity 3000 P3-550 CPUICS / OT / IoT
- Productivity 3000 P3-550E CPUICS / OT / IoT
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Scored 8.2 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity LowData modification is possible but limited in scope or consequence
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
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