Vulnerability Details : CVE-2017-6671
A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters on the device, as demonstrated by the Attachment Filter. More Information: CSCvd34632. Known Affected Releases: 10.0.1-087 9.7.1-066. Known Fixed Releases: 10.0.2-020 9.8.1-015.
Vulnerability category: Input validation
Exploit prediction scoring system (EPSS) score for CVE-2017-6671
Probability of exploitation activity in the next 30 days: 0.16%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 52 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-6671
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-6671
-
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)
References for CVE-2017-6671
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http://www.securityfocus.com/bid/98969
Cisco AsyncOS Software CVE-2017-6671 Remote Security Bypass VulnerabilityThird Party Advisory;VDB Entry
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-esa1
Cisco Email Security Appliance Attachment Filter Bypass VulnerabilityVendor Advisory
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http://www.securitytracker.com/id/1038635
Cisco Email Security Appliance MIME Header Processing Bug Lets Remote Users Bypass Security Restrictions on the Target System - SecurityTrackerThird Party Advisory;VDB Entry
Products affected by CVE-2017-6671
- cpe:2.3:a:cisco:email_security_appliance_firmware:10.0.1-087:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:email_security_appliance_firmware:9.7.1-066:*:*:*:*:*:*:*