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[email protected]CVE-2021-34792

HistoryOct 27, 2021 - 7:15 p.m.

CVE-2021-34792

2021-10-2719:15:08

CWE-401

CWE-400

[email protected]

web.nvd.nist.gov

cisco

asa

ftd

software

vulnerability

cve-2021-34792

dos

nvd

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

49.8%

JSON

A vulnerability in the memory management of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper resource management when connection rates are high. An attacker could exploit this vulnerability by opening a significant number of connections on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected configurations

NVD

Node

ciscofirepower_threat_defenseRange6.4.0–6.4.0.13

ciscofirepower_threat_defenseRange6.6.0–6.6.5

ciscofirepower_threat_defenseRange6.7.0–6.7.0.3

ciscofirepower_threat_defenseRange7.0.0–7.0.1

ciscoadaptive_security_appliance_softwareRange9.8.0–9.8.4.40

ciscoadaptive_security_appliance_softwareRange9.12.0–9.12.4.29

ciscoadaptive_security_appliance_softwareRange9.14.0–9.14.3.9

ciscoadaptive_security_appliance_softwareRange9.15.0–9.15.1.17

ciscoadaptive_security_appliance_softwareRange9.16.0–9.16.2.3

Node

ciscoasa_5512-xMatch-

AND

ciscoasa_5512-x_firmwareMatch009.014\(001.150\)

ciscoasa_5512-x_firmwareMatch099.017\(001.211\)

ciscoasa_5512-x_firmwareMatch099.017\(001.220\)

ciscoasa_5512-x_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5505Match-

AND

ciscoasa_5505_firmwareMatch009.014\(001.150\)

ciscoasa_5505_firmwareMatch099.017\(001.211\)

ciscoasa_5505_firmwareMatch099.017\(001.220\)

ciscoasa_5505_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5515-xMatch-

AND

ciscoasa_5515-x_firmwareMatch009.014\(001.150\)

ciscoasa_5515-x_firmwareMatch099.017\(001.211\)

ciscoasa_5515-x_firmwareMatch099.017\(001.220\)

ciscoasa_5515-x_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5525-xMatch-

AND

ciscoasa_5525-x_firmwareMatch009.014\(001.150\)

ciscoasa_5525-x_firmwareMatch099.017\(001.211\)

ciscoasa_5525-x_firmwareMatch099.017\(001.220\)

ciscoasa_5525-x_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5545-xMatch-

AND

ciscoasa_5545-x_firmwareMatch009.014\(001.150\)

ciscoasa_5545-x_firmwareMatch099.017\(001.211\)

ciscoasa_5545-x_firmwareMatch099.017\(001.220\)

ciscoasa_5545-x_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5555-xMatch-

AND

ciscoasa_5555-x_firmwareMatch009.014\(001.150\)

ciscoasa_5555-x_firmwareMatch099.017\(001.211\)

ciscoasa_5555-x_firmwareMatch099.017\(001.220\)

ciscoasa_5555-x_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5580Match-

AND

ciscoasa_5580_firmwareMatch009.014\(001.150\)

ciscoasa_5580_firmwareMatch099.017\(001.211\)

ciscoasa_5580_firmwareMatch099.017\(001.220\)

ciscoasa_5580_firmwareMatch099.017\(015.050\)

Node

ciscoasa_5585-xMatch-

AND

ciscoasa_5585-x_firmwareMatch009.014\(001.150\)

ciscoasa_5585-x_firmwareMatch099.017\(001.211\)

ciscoasa_5585-x_firmwareMatch099.017\(001.220\)

ciscoasa_5585-x_firmwareMatch099.017\(015.050\)

CPENameOperatorVersion
cisco:firepower_threat_defensecisco firepower threat defenselt6.4.0.13
cisco:firepower_threat_defensecisco firepower threat defenselt6.6.5
cisco:firepower_threat_defensecisco firepower threat defenselt6.7.0.3
cisco:firepower_threat_defensecisco firepower threat defenselt7.0.1
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.8.4.40
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.12.4.29
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.14.3.9
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.15.1.17
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.16.2.3

CPE	Name	Operator	Version
cisco:firepower_threat_defense	cisco firepower threat defense	lt	6.4.0.13
cisco:firepower_threat_defense	cisco firepower threat defense	lt	6.6.5
cisco:firepower_threat_defense	cisco firepower threat defense	lt	6.7.0.3
cisco:firepower_threat_defense	cisco firepower threat defense	lt	7.0.1
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.8.4.40
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.12.4.29
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.14.3.9
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.15.1.17
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.16.2.3

CNA Affected

[
  {
    "product": "Cisco Adaptive Security Appliance (ASA) Software ",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-dos-Unk689XY

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

49.8%

JSON

Related for CVE-2021-34792

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