Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2020-3125

Disclosure Date: May 06, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to impersonate the Kerberos key distribution center (KDC) and bypass authentication on an affected device that is configured to perform Kerberos authentication for VPN or local device access. The vulnerability is due to insufficient identity verification of the KDC when a successful authentication response is received. An attacker could exploit this vulnerability by spoofing the KDC server response to the ASA device. This malicious response would not have been authenticated by the KDC. A successful attack could allow an attacker to bypass Kerberos authentication.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • cisco

Products

  • adaptive security appliance software,
  • asa 5505 firmware 9.10(1.220),
  • asa 5510 firmware 9.10(1.220),
  • asa 5512-x firmware 9.10(1.220),
  • asa 5515-x firmware 9.10(1.220),
  • asa 5520 firmware 9.10(1.220),
  • asa 5525-x firmware 9.10(1.220),
  • asa 5540 firmware 9.10(1.220),
  • asa 5545-x firmware 9.10(1.220),
  • asa 5550 firmware 9.10(1.220),
  • asa 5555-x firmware 9.10(1.220),
  • asa 5580 firmware 9.10(1.220),
  • asa 5585-x firmware 9.10(1.220)

Additional Info

Technical Analysis