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nvd[email protected]NVD:CVE-2021-1501
HistoryApr 29, 2021 - 6:15 p.m.

CVE-2021-1501

2021-04-2918:15:09
CWE-613
[email protected]
web.nvd.nist.gov
7
cisco asa
ftd
sip inspection engine
remote attacker
denial of service

CVSS2

7.8

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.6%

JSON

A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device.

Affected configurations

Nvd
Node
ciscofirepower_threat_defenseRange6.2.2–6.4.0.12
OR
ciscofirepower_threat_defenseRange6.5.0–6.6.4
OR
ciscofirepower_threat_defenseRange6.7.0–6.7.0.2
OR
ciscoadaptive_security_appliance_softwareRange9.8–9.8.4.34
OR
ciscoadaptive_security_appliance_softwareRange9.9–9.9.2.85
OR
ciscoadaptive_security_appliance_softwareRange9.10–9.12.4.18
OR
ciscoadaptive_security_appliance_softwareRange9.13–9.13.1.21
OR
ciscoadaptive_security_appliance_softwareRange9.14–9.14.2.13
OR
ciscoadaptive_security_appliance_softwareRange9.15–9.15.1.15
VendorProductVersionCPE
ciscofirepower_threat_defense*cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
ciscoadaptive_security_appliance_software*cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*

Related

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Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP DoS (cisco-sa-asa-ftd-sipdos-GGwmMerC)
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Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
2021-04-28 16:00:00
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CVE-2021-1501
2021-04-29 18:15:09
prion
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2021-04-29 18:15:00
cvelist
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CVE-2021-1501 Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
2021-04-29 17:31:24

CVSS2

7.8

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.6%

JSON
Related for NVD:CVE-2021-1501
nessus2cisco1cve1prion1cvelist1