Dell BIOS contains a race condition vulnerability.
Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.
- Published
- Sep 6, 2022
- Updated
- Jun 17, 2026
- EPSS
- 0.1% · 2th percentile
- CWE
- CWE-367
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 7.0
- CNA · dell
- 6.1
- 0.9 point gap
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| dell | inspiron 5490 | cpe:2.3:h:dell:inspiron_5490 |
| dell | latitude 5280 | cpe:2.3:h:dell:latitude_5280 |
| dell | alienware m15 r6 firmware | cpe:2.3:o:dell:alienware_m15_r6_firmware |
| dell | alienware m15 r6 | cpe:2.3:h:dell:alienware_m15_r6 |
| dell | chengming 3980 firmware | cpe:2.3:o:dell:chengming_3980_firmware |
| dell | chengming 3980 | cpe:2.3:h:dell:chengming_3980 |
| dell | chengming 3988 firmware | cpe:2.3:o:dell:chengming_3988_firmware |
| dell | chengming 3988 | cpe:2.3:h:dell:chengming_3988 |
| dell | chengming 3990 firmware | cpe:2.3:o:dell:chengming_3990_firmware |
| dell | chengming 3990 | cpe:2.3:h:dell:chengming_3990 |
| dell | chengming 3991 firmware | cpe:2.3:o:dell:chengming_3991_firmware |
| dell | chengming 3991 | cpe:2.3:h:dell:chengming_3991 |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- dell alienware m15 r6 firmwarebefore 1.8.0
- dell chengming 3980 firmwarebefore 2.21.0
- dell chengming 3988 firmwarebefore 1.9.0
- dell chengming 3990 firmwarebefore 1.8.2
- dell chengming 3991 firmwarebefore 1.8.2
- dell edge gateway 3000 firmwarebefore 1.8.0
- dell edge gateway 5000 firmwarebefore 1.18.0
- dell embedded box pc 3000 firmwarebefore 1.14.0
- dell embedded box pc 5000 firmwarebefore 1.15.0
- dell g15 5510 firmwarebefore 1.8.0
- dell g15 5511 firmwarebefore 1.9.0
- dell g3 15 3590 firmwarebefore 1.16.0
- dell g3 3500 firmwarebefore 1.12.0
- dell g3 3579 firmwarebefore 1.19.0
- dell g5 15 5587 firmwarebefore 1.19.0
- dell g5 15 5590 firmwarebefore 1.18.0
- dell g5 5000 firmwarebefore 1.5.1
- dell g5 5090 firmwarebefore 1.12.0
- dell g5 5500 firmwarebefore 1.12.0
- dell g7 17 7700 firmwarebefore 1.12.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (dell). Independent of NVD's CPE analysis and usually ahead of it.
Dell CPG BIOS
- unspecified and later · before Allaffected
Same product
dell: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-34403
Dell BIOS contains a Stack based buffer overflow vulnerability.35Monitor
- CVE-2024-52541Dell Client Platform BIOS contains a Weak Authentication vulnerability.32Monitor
- CVE-2022-26861Dell BIOS versions contain an Insecure Automated Optimization vulnerability.31Monitor
- CVE-2022-26860Dell BIOS versions contain a stack-based buffer overflow vulnerability.31Monitor
- CVE-2022-26858Dell BIOS versions contain an Improper Authentication vulnerability.31Monitor
- CVE-2021-21574Dell BIOSConnect feature contains a buffer overflow vulnerability.30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-22-0599 · Sep 8, 2022(Dell Güvenlik Zafiyeti)
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race ConditionCVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.