CVE-2020-3568
published 2020-10-08CVE-2020-3568: A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote…
PriorityP433medium5.8CVSS 3.1
AVNACLPRNUINSCCNILAN
EPSS
1.00%
59.0th percentile
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | asyncos | <= 13.5.2 | — |
| cisco | cisco_email_security_appliance | — | — |
| cisco | email_security_appliance_url_filtering | — | — |
CVSS provenance
nvdv3.15.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
vendor_cisco5.8MEDIUM
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Cisco
Cisco Email Security Appliance URL Filtering Bypass Vulnerability
vendor_cisco·2020-10-07·CVSS 5.8
CVE-2020-3568 [MEDIUM] CWE-20 Cisco Email Security Appliance URL Filtering Bypass Vulnerability
Cisco Email Security Appliance URL Filtering Bypass Vulnerability
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device.
The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.
There are no workarounds that address this vulnerability.
This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/
Cisco
Cisco Email Security Appliance URL Filtering Bypass Vulnerability
vendor_cisco·CVSS 3.1
CVE-2020-3568 Cisco Email Security Appliance URL Filtering Bypass Vulnerability
CVE-2020-3568: Cisco Email Security Appliance URL Filtering Bypass Vulnerability
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device. There are no
CVSS: 3.1
CWE: CWE-20, CWE-20
Bug IDs: CSCvu50941, CSCvu53078
GHSA
GHSA-p4j6-jcqv-hh27: A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticate
ghsa_unreviewed·2022-05-24
CVE-2020-3568 [MEDIUM] CWE-20 GHSA-p4j6-jcqv-hh27: A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticate
A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-10-08
Published