Vulnerability Name:

CVE-2021-43268 (CCN-214086)

Assigned:2021-11-02
Published:2021-11-02
Updated:2021-12-01
Summary:An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): Low
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-415
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-43268

Source: XF
Type: UNKNOWN
windriver-vxworks-cve202143268-dos(214086)

Source: CCN
Type: Wind River Web site
CVE-2021-43268

Source: MISC
Type: Vendor Advisory
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-43268

Vulnerable Configuration:Configuration 1:
  • cpe:/o:windriver:vxworks:*:*:*:*:*:*:*:* (Version >= 6.9 and <= 7.0)

    • Configuration CCN 1:
  • cpe:/o:windriver:vxworks:6.9:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:7.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    windriver vxworks *
    windriver vxworks 6.9
    windriver vxworks 7.0 -