CVE-2019-1921
published 2019-07-06CVE-2019-1921: A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker…
PriorityP347high7.5CVSS 3.0
AVNACLPRNUINSUCNIHAN
EPSS
1.41%
69.5th percentile
A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by naming a malicious attachment with a specific pattern. A successful exploit could allow the attacker to bypass configured content filters that would normally block the attachment.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_email_security_appliance | — | — |
| cisco | email_security_appliance | — | — |
| cisco | email_security_appliance_content_filter | — | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 Content Filter Bypass Vulnerability
vendor_cisco·2019-07-03·CVSS 5.8
CVE-2019-1921 [MEDIUM] CWE-20 Cisco Email Security Appliance Content Filter Bypass Vulnerability
Cisco Email Security Appliance Content Filter Bypass Vulnerability
A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device.
The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by naming a malicious attachment with a specific pattern. A successful exploit could allow the attacker to bypass configured content filters that would normally block the attachment.
There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-esa-bypass
Cisco
Cisco Email Security Appliance Content Filter Bypass Vulnerability
vendor_cisco·CVSS 3.0
CVE-2019-1921 Cisco Email Security Appliance Content Filter Bypass Vulnerability
CVE-2019-1921: Cisco Email Security Appliance Content Filter Bypass Vulnerability
A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by naming a malicious attachment with a specific pattern. A successful exploit could allow the attacker to bypass configured content filters that would normally block the attachment. There are no
CVSS: 3.0
CWE: CWE-20, CWE-20
Bug IDs: CSCvp88949
GHSA
GHSA-q86h-wvjc-7wh4: A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote a
ghsa_unreviewed·2022-05-24
CVE-2019-1921 [HIGH] CWE-20 GHSA-q86h-wvjc-7wh4: A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote a
A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by naming a malicious attachment with a specific pattern. A successful exploit could allow the attacker to bypass configured content filters that would normally block the attachment.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2019-07-06
Published