CVE Feed

    Dashboard / CVE / CVE-2014-4859

    CVE-2014-4859

    Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.

    Published:Jan 31, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 31, 2020
    EPSS Score:0.00039
    CVSS Score:6.8

    Affected Products

    Vendor
    Tianocore
    Product
    Edk2

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2025-2296 (CVSS 8.4) — EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access…
    CVE-2024-38798 (CVSS 5.8) — EDK2 contains a vulnerability in BIOS where an attacker may cause “Exposure of Sensitive Information to an Una…
    CVE-2025-2486 (CVSS 3.7) — The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot envir…
    CVE-2024-38805 (CVSS 6.3) — EDK2 contains a vulnerability in BIOS where a user may cause an Integer Overflow or Wraparound by network mean…
    CVE-2025-3770 (CVSS 7) — EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local acce…
    CVE-2024-38797 (CVSS 4.6) — EDK2 contains a vulnerability in the HashPeImageByType(). A user may cause a read out of bounds when a corrupt…
    CVE-2025-2295 (CVSS 3.5) — EDK2 contains a vulnerability in BIOS where a user may cause an Integer Overflow or Wraparound by network mean…
    CVE-2024-1298 (CVSS 6) — EDK2 contains a vulnerability when S3 sleep is activated where an Attacker may cause a Division-By-Zero due to…
    CVE-2023-49721 (CVSS 6.7) — An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker t…
    CVE-2023-48733 (CVSS 6.7) — An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High