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    CVE-2004-2486

    The DSS verification code in Dropbear SSH Server before 0.43 frees uninitialized variables, which might allow remote attackers to gain access.

    Published:Dec 31, 2004
    Last Modified:Apr 16, 2026
    EPS:Oct 25, 2005
    EPSS Score:0.022
    CVSS Score:7.5

    Affected Products

    Vendor
    Dropbear Ssh Project
    Product
    Dropbear Ssh

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-47203 (CVSS 4.5) — dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a…
    CVE-2023-48795 (CVSS 5.9) — The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, al…
    CVE-2021-36369 (CVSS 7.5) — An issue was discovered in Dropbear through 2020.81. Due to a non-RFC-compliant check of the available authent…
    CVE-2020-36254 (CVSS 8.1) — scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-201…
    CVE-2019-12953 (CVSS 5.3) — Dropbear 2011.54 through 2018.76 has an inconsistent failure delay that may lead to revealing valid usernames,…
    CVE-2017-2659 (CVSS 5.3) — It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid…
    CVE-2018-15599 (CVSS 5.3) — The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeratio…
    CVE-2017-9079 (CVSS 4.7) — Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_…
    CVE-2017-9078 (CVSS 8.8) — The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a …
    CVE-2016-7408 (CVSS 8.8) — The dbclient in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via a crafted (1…

    References

    http://matt.ucc.asn.au/dropbear/CHANGES
    http://secunia.com/advisories/12153
    http://secunia.com/advisories/28935
    http://www.cisco.com/en/US/products/products_security_advisory09186a0080949c7a.shtml
    http://www.osvdb.org/8137
    http://www.securityfocus.com/bid/10803
    http://www.vupen.com/english/advisories/2008/0543
    https://exchange.xforce.ibmcloud.com/vulnerabilities/16810
    https://exchange.xforce.ibmcloud.com/vulnerabilities/40490
    http://matt.ucc.asn.au/dropbear/CHANGES
    http://secunia.com/advisories/12153
    http://secunia.com/advisories/28935
    http://www.cisco.com/en/US/products/products_security_advisory09186a0080949c7a.shtml
    http://www.osvdb.org/8137
    http://www.securityfocus.com/bid/10803
    http://www.vupen.com/english/advisories/2008/0543
    https://exchange.xforce.ibmcloud.com/vulnerabilities/16810
    https://exchange.xforce.ibmcloud.com/vulnerabilities/40490

    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