CVE-2021-1501
published 2021-04-29CVE-2021-1501: A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.34%
68.2th percentile
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
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | adaptive_security_appliance | — | — |
| cisco | adaptive_security_appliance_software | >= 9.10 < 9.12.4.18 | 9.12.4.18 |
| cisco | adaptive_security_appliance_software | >= 9.13 < 9.13.1.21 | 9.13.1.21 |
| cisco | adaptive_security_appliance_software | >= 9.14 < 9.14.2.13 | 9.14.2.13 |
| cisco | adaptive_security_appliance_software | >= 9.15 < 9.15.1.15 | 9.15.1.15 |
| cisco | adaptive_security_appliance_software | >= 9.8 < 9.8.4.34 | 9.8.4.34 |
| cisco | adaptive_security_appliance_software | >= 9.9 < 9.9.2.85 | 9.9.2.85 |
| cisco | cisco_adaptive_security_appliance_software | — | — |
| cisco | firepower_threat_defense | >= 6.2.2 < 6.4.0.12 | 6.4.0.12 |
| cisco | firepower_threat_defense | >= 6.5.0 < 6.6.4 | 6.6.4 |
| cisco | firepower_threat_defense | >= 6.7.0 < 6.7.0.2 | 6.7.0.2 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
vendor_cisco8.6HIGH
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Cisco
Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
vendor_cisco·2021-04-28·CVSS 8.6
CVE-2021-1501 [HIGH] CWE-613 Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
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.
Cisco has released software updates that address this vulnerability. There are
Cisco
Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
vendor_cisco·CVSS 3.1
CVE-2021-1501 Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
CVE-2021-1501: Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
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. Cisco has released software updates that address this vulnerabili
GHSA
GHSA-g39j-8m48-qwgj: A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software cou
ghsa_unreviewed·2022-05-24
CVE-2021-1501 [HIGH] CWE-613 GHSA-g39j-8m48-qwgj: A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software cou
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-04-29
Published