VulnerabilityAnalyzed
CVE-2023-35841
Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.
HIGH 7.8EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-732, CWE-782
- Affected
- phoenixtech/winflash
- Source
- 22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de
References
- https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.htmlExploit, Third Party Advisory
- https://jvn.jp/en/vu/JVNVU93886750/index.htmlThird Party Advisory
- https://phoenixtech.com/phoenix-security-notifications/cve-2023-35841/Vendor Advisory
- https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.htmlExploit, Third Party Advisory
- https://jvn.jp/en/vu/JVNVU93886750/index.htmlThird Party Advisory
- https://www.phoenix.com/security-notifications/cve-2023-35841/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.