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    CVE-2017-3839

    An XML External Entity vulnerability in the web-based user interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to have read access to part of the information stored in the affected system. More Information: CSCvc04845. Known Affected Releases: 5.8(2.5).

    Published:Feb 22, 2017
    Last Modified:Apr 20, 2025
    EPS:Feb 22, 2017
    EPSS Score:0.00397
    CVSS Score:4.3

    Affected Products

    Vendor
    Cisco
    Product
    Secure Access Control System

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

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    CVE-2017-6769 (CVSS 5.4) — A vulnerability in the web-based management interface of the Cisco Secure Access Control System (ACS) could al…
    CVE-2017-3838 (CVSS 6.1) — A vulnerability in Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to…
    CVE-2017-3841 (CVSS 7.5) — A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenti…
    CVE-2017-3840 (CVSS 6.1) — A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenti…
    CVE-2015-4219 (CVSS 4) — Cisco Secure Access Control System before 5.4(0.46.2) and 5.5 before 5.5(0.46) and Cisco Identity Services Eng…
    CVE-2015-0728 (CVSS 4.3) — Cross-site scripting (XSS) vulnerability in Cisco Access Control Server (ACS) 5.5(0.1) allows remote attackers…
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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