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    CVE-2021-42697

    Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.

    Published:Nov 2, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 2, 2021
    EPSS Score:0.75541
    CVSS Score:7.5

    Affected Products

    Vendor
    Akka
    Product
    Http Server

    Exploits

    http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.htmlhttp://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.htmlhttps://www.exploit-db.com/exploits/50892https://github.com/cxosmo/CVE-2021-42697

    Common Weakness Enumeration

    CWE-674 Uncontrolled Recursion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads

    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