Vulnerability Details : CVE-2019-1844
A vulnerability in certain attachment detection mechanisms of the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of an affected device. The vulnerability is due to improper detection of certain content sent to an affected device. An attacker could exploit this vulnerability by sending certain file types without Content-Disposition information to an affected device. A successful exploit could allow an attacker to send messages that contain malicious content to users.
Vulnerability category: Input validation
Products affected by CVE-2019-1844
- cpe:2.3:a:cisco:email_security_appliance:11.1.0-131:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-1844
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-1844
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
Cisco Systems, Inc. |
CWE ids for CVE-2019-1844
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2019-1844
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-esa-bypass
Cisco Email Security Appliance Filter Bypass VulnerabilityVendor Advisory
-
http://www.securityfocus.com/bid/108149
Cisco Email Security Appliance CVE-2019-1844 Remote Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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