UpHeron
All vulnerabilities

Servers and applications

CVE-2013-5515

The Clientless SSL VPN feature in Cisco Adaptive Security Appliance (ASA) Software 8.x before 8.2(5.44), 8.3.x before 8.3(2.39), 8.4.x before 8.4(5.7), 8.6.x before 8.6(1.12), 9.0.x before 9.0(2.6), and 9.1.x before 9.1(1.7) allows remote attackers to cause a denial of service (device reload) via crafted HTTPS requests, aka Bug ID CSCua22709.

Severity
High 7.8
Published
13 Oct 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.3% in the next 30 daysHigher than 71% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
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(1.10)
  • Version 8.6(1)
All 40 release lines
  • Version 8.0
  • Version 8.0(2)
  • Version 8.0(3)
  • Version 8.0(4)
  • Version 8.0(5)
  • Version 8.0(5.28)
  • Version 8.0(5.31)
  • Version 8.0.2
  • Version 8.0.3
  • Version 8.0.4
  • Version 8.0.5
  • Version 8.1
  • Version 8.2
  • Version 8.2(1)
  • Version 8.2(2)
  • Version 8.2(3)
  • Version 8.2(3.9)
  • Version 8.2(4)
  • Version 8.2(4.1)
  • Version 8.2(4.4)
  • Version 8.2(5)
  • Version 8.2(5.35)
  • Version 8.2(5.38)
  • Version 8.3(1)
  • Version 8.3(2)
  • Version 8.3(2.34)
  • Version 8.3(2.37)
  • Version 8.4
  • Version 8.4(1)
  • Version 8.4(1.11)
  • Version 8.4(2)
  • Version 8.4(2.11)
  • Version 8.4(3)
  • Version 8.4(4.11)
  • Version 8.4(5)
  • Version 8.6
  • Version 8.6(1)
  • Version 8.6(1.10)
  • Version 9.0
  • Version 9.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-5515
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-5515