UpHeron
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Servers and applications

CVE-2015-0676

The DNS implementation in Cisco Adaptive Security Appliance (ASA) Software 7.2 before 7.2(5.16), 8.2 before 8.2(5.57), 8.3 before 8.3(2.44), 8.4 before 8.4(7.28), 8.5 before 8.5(1.24), 8.6 before 8.6(1.17), 8.7 before 8.7(1.16), 9.0 before 9.0(4.33), 9.1 before 9.1(6.1), 9.2 before 9.2(3.4), and 9.3 before 9.3(3) allows man-in-the-middle attackers to cause a denial of service (memory consumption…

Severity
High 7.1
Published
13 Apr 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 66% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
Sources
NVD

Description

The DNS implementation in Cisco Adaptive Security Appliance (ASA) Software 7.2 before 7.2(5.16), 8.2 before 8.2(5.57), 8.3 before 8.3(2.44), 8.4 before 8.4(7.28), 8.5 before 8.5(1.24), 8.6 before 8.6(1.17), 8.7 before 8.7(1.16), 9.0 before 9.0(4.33), 9.1 before 9.1(6.1), 9.2 before 9.2(3.4), and 9.3 before 9.3(3) allows man-in-the-middle attackers to cause a denial of service (memory consumption or device outage) by triggering outbound DNS queries and then sending crafted responses to these queries, aka Bug ID CSCuq77655.

From NVD.

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 9.3.2.2
  • Version 9.3.2
  • Version 9.3.1.1
  • Version 9.3.1
All 241 release lines
  • Version 7.0.1
  • Version 7.0.1.4
  • Version 7.0.2
  • Version 7.0.3
  • Version 7.0.4
  • Version 7.0.4.2
  • Version 7.0.5
  • Version 7.0.5.12
  • Version 7.0.6
  • Version 7.0.6.4
  • Version 7.0.6.8
  • Version 7.0.6.18
  • Version 7.0.6.22
  • Version 7.0.6.26
  • Version 7.0.6.29
  • Version 7.0.6.32
  • Version 7.0.7
  • Version 7.0.7.1
  • Version 7.0.7.4
  • Version 7.0.7.9
  • Version 7.0.7.12
  • Version 7.0.8
  • Version 7.0.8.2
  • Version 7.0.8.8
  • Version 7.0.8.12
  • Version 7.0.8.13
  • Version 7.1.2
  • Version 7.1.2.16
  • Version 7.1.2.20
  • Version 7.1.2.24
  • Version 7.1.2.28
  • Version 7.1.2.38
  • Version 7.1.2.42
  • Version 7.1.2.46
  • Version 7.1.2.49
  • Version 7.1.2.53
  • Version 7.1.2.61
  • Version 7.1.2.64
  • Version 7.1.2.72
  • Version 7.1.2.81
  • Version 7.2.1
  • Version 7.2.1.9
  • Version 7.2.1.13
  • Version 7.2.1.19
  • Version 7.2.1.24
  • Version 7.2.2
  • Version 7.2.2.6
  • Version 7.2.2.10
  • Version 7.2.2.14
  • Version 7.2.2.18
  • Version 7.2.2.19
  • Version 7.2.2.22
  • Version 7.2.2.34
  • Version 7.2.3
  • Version 7.2.3.1
  • Version 7.2.3.12
  • Version 7.2.3.16
  • Version 7.2.4
  • Version 7.2.4.6
  • Version 7.2.4.9
  • Version 7.2.4.18
  • Version 7.2.4.25
  • Version 7.2.4.27
  • Version 7.2.4.30
  • Version 7.2.4.33
  • Version 7.2.5
  • Version 7.2.5.2
  • Version 7.2.5.4
  • Version 7.2.5.7
  • Version 7.2.5.8
  • Version 7.2.5.10
  • Version 7.2.5.12
  • Version 8.0.1.2
  • Version 8.0.2
  • Version 8.0.2.11
  • Version 8.0.2.15
  • Version 8.0.3
  • Version 8.0.3.6
  • Version 8.0.3.12
  • Version 8.0.3.19
  • Version 8.0.4
  • Version 8.0.4.3
  • Version 8.0.4.9
  • Version 8.0.4.16
  • Version 8.0.4.23
  • Version 8.0.4.25
  • Version 8.0.4.28
  • Version 8.0.4.31
  • Version 8.0.4.32
  • Version 8.0.4.33
  • Version 8.0.5
  • Version 8.0.5.20
  • Version 8.0.5.23
  • Version 8.0.5.25
  • Version 8.0.5.27
  • Version 8.0.5.28
  • Version 8.0.5.31
  • Version 8.1.1
  • Version 8.1.1.6
  • Version 8.1.2
  • Version 8.1.2.13
  • Version 8.1.2.15
  • Version 8.1.2.16
  • Version 8.1.2.19
  • Version 8.1.2.23
  • Version 8.1.2.24
  • Version 8.1.2.49
  • Version 8.1.2.50
  • Version 8.1.2.55
  • Version 8.1.2.56
  • Version 8.2.0.45
  • Version 8.2.1
  • Version 8.2.1.11
  • Version 8.2.2
  • Version 8.2.2.9
  • Version 8.2.2.10
  • Version 8.2.2.12
  • Version 8.2.2.16
  • Version 8.2.2.17
  • Version 8.2.3
  • Version 8.2.4
  • Version 8.2.4.1
  • Version 8.2.4.4
  • Version 8.2.5
  • Version 8.2.5.13
  • Version 8.2.5.22
  • Version 8.2.5.26
  • Version 8.2.5.33
  • Version 8.2.5.40
  • Version 8.2.5.41
  • Version 8.2.5.46
  • Version 8.2.5.48
  • Version 8.2.5.50
  • Version 8.2.5.52
  • Version 8.2.5.55
  • Version 8.2.5.57
  • Version 8.3.1
  • Version 8.3.1.1
  • Version 8.3.1.4
  • Version 8.3.1.6
  • Version 8.3.2
  • Version 8.3.2.4
  • Version 8.3.2.13
  • Version 8.3.2.23
  • Version 8.3.2.25
  • Version 8.3.2.31
  • Version 8.3.2.33
  • Version 8.3.2.34
  • Version 8.3.2.37
  • Version 8.3.2.39
  • Version 8.3.2.40
  • Version 8.3.2.41
  • Version 8.3.2.44
  • Version 8.4.1
  • Version 8.4.1.3
  • Version 8.4.1.11
  • Version 8.4.2
  • Version 8.4.2.1
  • Version 8.4.2.8
  • Version 8.4.3
  • Version 8.4.3.8
  • Version 8.4.3.9
  • Version 8.4.4
  • Version 8.4.4.1
  • Version 8.4.4.3
  • Version 8.4.4.5
  • Version 8.4.4.9
  • Version 8.4.5
  • Version 8.4.5.6
  • Version 8.4.6
  • Version 8.4.7
  • Version 8.4.7.3
  • Version 8.4.7.15
  • Version 8.4.7.22
  • Version 8.4.7.23
  • Version 8.4.7.26
  • Version 8.5.1
  • Version 8.5.1.1
  • Version 8.5.1.6
  • Version 8.5.1.7
  • Version 8.5.1.14
  • Version 8.5.1.17
  • Version 8.5.1.18
  • Version 8.5.1.19
  • Version 8.5.1.21
  • Version 8.6.1
  • Version 8.6.1.1
  • Version 8.6.1.2
  • Version 8.6.1.5
  • Version 8.6.1.10
  • Version 8.6.1.12
  • Version 8.6.1.13
  • Version 8.6.1.14
  • Version 8.7.1
  • Version 8.7.1.1
  • Version 8.7.1.3
  • Version 8.7.1.4
  • Version 8.7.1.7
  • Version 8.7.1.8
  • Version 8.7.1.11
  • Version 8.7.1.13
  • Version 9.0.1
  • Version 9.0.2
  • Version 9.0.2.10
  • Version 9.0.3
  • Version 9.0.3.6
  • Version 9.0.3.8
  • Version 9.0.4
  • Version 9.0.4.1
  • Version 9.0.4.5
  • Version 9.0.4.7
  • Version 9.0.4.17
  • Version 9.0.4.20
  • Version 9.0.4.24
  • Version 9.0.4.26
  • Version 9.0.4.29
  • Version 9.1.1
  • Version 9.1.1.4
  • Version 9.1.2
  • Version 9.1.2.8
  • Version 9.1.3
  • Version 9.1.3.2
  • Version 9.1.4
  • Version 9.1.4.5
  • Version 9.1.5
  • Version 9.1.5.10
  • Version 9.1.5.12
  • Version 9.1.5.15
  • Version 9.1.5.21
  • Version 9.1.6
  • Version 9.2.1
  • Version 9.2.2
  • Version 9.2.2.4
  • Version 9.2.2.7
  • Version 9.2.2.8
  • Version 9.2.3
  • Version 9.2.3.3
  • Version 9.3.1
  • Version 9.3.1.1
  • Version 9.3.2
  • Version 9.3.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-0676
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-0676