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Servers and applications

CVE-2014-2127

Cisco Adaptive Security Appliance (ASA) Software 8.x before 8.2(5.48), 8.3 before 8.3(2.40), 8.4 before 8.4(7.9), 8.6 before 8.6(1.13), 9.0 before 9.0(4.1), and 9.1 before 9.1(4.3) does not properly process management-session information during privilege validation for SSL VPN portal connections, which allows remote authenticated users to gain privileges by establishing a Clientless SSL VPN…

Severity
High 8.5
Published
10 Apr 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
12% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · Needs a login
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:N/AC:M/Au:S/C:C/I:C/A:C
Sources
NVD

Description

Cisco Adaptive Security Appliance (ASA) Software 8.x before 8.2(5.48), 8.3 before 8.3(2.40), 8.4 before 8.4(7.9), 8.6 before 8.6(1.13), 9.0 before 9.0(4.1), and 9.1 before 9.1(4.3) does not properly process management-session information during privilege validation for SSL VPN portal connections, which allows remote authenticated users to gain privileges by establishing a Clientless SSL VPN session and entering crafted URLs, aka Bug ID CSCul70099.

From NVD.

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 9.1
  • Version 9.0
  • Version 8.6
  • Version 8.4
All 8 release lines
  • Version 8.0
  • Version 8.1
  • Version 8.2
  • Version 8.3(1)
  • Version 8.4
  • Version 8.6
  • Version 9.0
  • Version 9.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-2127
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-2127