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    CVE-2020-8177

    curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.

    Published:Jun 24, 2020
    Last Modified:Apr 15, 2026
    EPS:Dec 14, 2020
    EPSS Score:0.00021
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fujitsu
    Product
    M10-1
    Vendor
    Fujitsu
    Product
    M10-1 Firmware
    Vendor
    Fujitsu
    Product
    M10-4
    Vendor
    Fujitsu
    Product
    M10-4 Firmware
    Vendor
    Fujitsu
    Product
    M10-4s
    Vendor
    Fujitsu
    Product
    M10-4s Firmware
    Vendor
    Fujitsu
    Product
    M12-1
    Vendor
    Fujitsu
    Product
    M12-1 Firmware
    Vendor
    Fujitsu
    Product
    M12-2
    Vendor
    Fujitsu
    Product
    M12-2 Firmware
    Vendor
    Fujitsu
    Product
    M12-2s
    Vendor
    Fujitsu
    Product
    M12-2s Firmware
    Vendor
    Haxx
    Product
    Curl
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift Do
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Siemens
    Product
    Sinec Infrastructure Network Services
    Vendor
    Splunk
    Product
    Universal Forwarder

    Exploits

    https://hackerone.com/reports/887462https://hackerone.com/reports/887462

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-240 Resource Injection
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-34 HTTP Response Splitting
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-75 Manipulating Writeable Configuration Files
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

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    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