CVE-2019-1905 describes a medium-severity vulnerability in the GZIP decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA). This flaw, caused by improper validation of GZIP-formatted files, allows an unauthenticated, remote attacker to bypass configured content filters by sending a malicious file within a crafted GZIP-compressed email. The attack requires no user interaction and has a low impact on integrity, with no confidentiality or availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.1.2CPE matchmatch criteria | cpe:2.3:a:cisco:email_security_appliance:11.1.2:*:*:*:*:*:*:* | ||
12.0.0CPE matchmatch criteria | cpe:2.3:a:cisco:email_security_appliance:12.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
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