CVE-2022-20737
published 2022-05-03CVE-2022-20737: A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA)…
PriorityP337high7.1CVSS 3.1
AVNACLPRLUINSUCLINAH
EPSS
1.13%
62.9th percentile
A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device or to obtain portions of process memory from an affected device. This vulnerability is due to insufficient bounds checking when parsing specific HTTP authentication messages. An attacker could exploit this vulnerability by sending malicious traffic to an affected device acting as a VPN Gateway. To send this malicious traffic, an attacker would need to control a web server that can be accessed through the Clientless SSL VPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition, or to retrieve bytes from the device process memory that may contain sensitive information.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | adaptive_security_appliance | — | — |
| cisco | adaptive_security_appliance_software | < 9.12.4.38 | 9.12.4.38 |
| cisco | adaptive_security_appliance_software | >= 9.13.0 < 9.14.4 | 9.14.4 |
| cisco | adaptive_security_appliance_software | >= 9.15.0 < 9.15.1.21 | 9.15.1.21 |
| cisco | adaptive_security_appliance_software | >= 9.16.0 < 9.16.2.14 | 9.16.2.14 |
| cisco | adaptive_security_appliance_software | >= 9.17.0 < 9.17.1.7 | 9.17.1.7 |
| cisco | cisco_adaptive_security_appliance_software | — | — |
CVSS provenance
nvdv3.17.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
nvdv2.07.0HIGHAV:N/AC:M/Au:S/C:P/I:N/A:C
vendor_cisco7.1HIGH
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Cisco
Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
vendor_cisco·2022-04-27·CVSS 7.1
CVE-2022-20737 [HIGH] CWE-122 Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device or to obtain portions of process memory from an affected device.
This vulnerability is due to insufficient bounds checking when parsing specific HTTP authentication messages. An attacker could exploit this vulnerability by sending malicious traffic to an affected device acting as a VPN Gateway. To send this malicious traffic, an attacker would need to control a web server that can be accessed through the Clientless SSL VPN
Cisco
Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
vendor_cisco·CVSS 3.1
CVE-2022-20737 Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
CVE-2022-20737: Cisco Adaptive Security Appliance Software Clientless SSL VPN Heap Overflow Vulnerability
A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device or to obtain portions of process memory from an affected device. This vulnerability is due to insufficient bounds checking when parsing specific HTTP authentication messages. An attacker could exploit this vulnerability by sending malicious traffic to an affected device acting as a VPN Gateway. To send this malicious traffic, an attacker would need to control a web server that can be accessed through the Clien
GHSA
GHSA-m263-3fx7-gm9v: A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Applian
ghsa_unreviewed·2022-05-04
CVE-2022-20737 [HIGH] CWE-787 GHSA-m263-3fx7-gm9v: A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Applian
A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device or to obtain portions of process memory from an affected device. This vulnerability is due to insufficient bounds checking when parsing specific HTTP authentication messages. An attacker could exploit this vulnerability by sending malicious traffic to an affected device acting as a VPN Gateway. To send this malicious traffic, an attacker would need to control a web server that can be accessed through the Clientless SSL VPN portal. A successful exploit could allow the attacker to cause the device to reload, resulti
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2022-05-03
Published