Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-3827

17
FAUCET Score

CVE-2017-3827 is a medium-severity vulnerability affecting Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) running AsyncOS software. An unauthenticated, remote attacker could exploit a flaw in the MIME scanner to bypass configured user filters, potentially allowing malicious content to circumvent security policies. The CVSS score is 5.8, indicating a network-based attack with low complexity, resulting in a low impact on integrity and no impact on confidentiality or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
10.0.0-082CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-082:*:*:*:*:*:*:*
10.0.0-124CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-124:*:*:*:*:*:*:*
10.0.0-125CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-125:*:*:*:*:*:*:*
10.0.0-203CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-203:*:*:*:*:*:*:*
10.0.0-232CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.8MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.93%
Probability of exploitation in next 30 days
EPSS Percentile
77.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0193 is in the 66th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-asyncos
Vendor Advisory
securityfocus.com / bid/96239
securitytracker.com / id/1037831
securitytracker.com / id/1037832