CVE-2022-34399
No known exploitation. EPSS puts it in the 7th percentile. 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
Dell Alienware m17 R5 BIOS version prior to 1.2.2 contain a buffer access vulnerability. A malicious user with admin privileges could potentially exploit this vulnerability by sending input larger than expected in order to leak certain sections of SMRAM.
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
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 7th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 673 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- CPG BIOSHardware Firmware / bios-uefi
- alienware m15 a6 firmwareHardware Firmware / bios-uefi
- alienware m15 ryzen edition r5 firmwareHardware Firmware / storage-nas
- alienware m17 ryzen edition r5 firmwareHardware Firmware / printer-peripheral
- g15 5515 firmwareHardware Firmware / bios-uefi
- g15 5525 firmwareHardware Firmware / bios-uefi
- inspiron 3505 firmwareHardware Firmware / bios-uefi
- inspiron 3515 firmwareHardware Firmware / bios-uefi
- G15 5525Hardware Firmware / printer-peripheral
- Alienware M15 A6Hardware Firmware / printer-peripheral
- Alienware M17 Ryzen Edition R5Hardware Firmware / printer-peripheral
- Vostro 3525Hardware Firmware / cpu-gpu
- Vostro 3515Hardware Firmware / printer-peripheral
- Alienware M15 Ryzen Edition R5Hardware Firmware / bios-uefi
- G15 5515Hardware Firmware / printer-peripheral
- Inspiron 3505Hardware Firmware / printer-peripheral
And 15 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
Scored 5.1 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required HighRequires admin or elevated privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability NoneNo availability impact
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
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for CPG BIOS, not every advisory.
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