QID 317264

Date Published: 2022-11-14

QID 317264: Cisco Internetwork Operating System (IOS) XE Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX) (CSCwb01481)

Exploitation of these vulnerabilities could allow an adjacent attacker to bypass configured first-hop security (FHS) features on the affected Cisco products.

Affected Releases

17.7.1

QID Detection Logic (Authenticated):
The check matches Cisco IOS XE version retrieved via Unix Auth using "show version" command.
QID Detection Logic (Unauthenticated):
The check matches Cisco IOS XE version retrieved via SNMP or TCP/IP Fingerprint or NTP or Telnet.

Exploitation of these vulnerabilities could allow an adjacent attacker to bypass configured first-hop security (FHS) features on the affected Cisco products.

  • CVSS V3 rated as Medium - 4.7 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-VU855201-J3z8CKTX for more information.

    Vendor References

    CVEs related to QID 317264

    CVE-2021-27853 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-VU855201-J3z8CKTX URL Logo www.cisco.com/c/en/us/support/docs/csa/cisco-sa-VU855201-J3z8CKTX.html#vp
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].