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CVE-2017-3800

23
FAUCET Score

CVE-2017-3800 describes a vulnerability in Cisco AsyncOS Software for Email Security Appliances (ESA) that allows an unauthenticated, remote attacker to bypass configured message or content filters when processing incoming email attachments. This affects both virtual and hardware appliances running vulnerable AsyncOS versions. The vulnerability has a CVSSv3 score of 5.8 (Medium), indicating a low attack complexity with no privileges or user interaction required, potentially leading to a loss of integrity by bypassing security controls. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.7.1-066CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:9.7.1-066:*:*:*:*:*:*:*
9.7.1-hp2-207CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:9.7.1-hp2-207:*:*:*:*:*:*:*
9.8.5-085CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:9.8.5-085:*:*:*:*:*:*:*

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
1.52%
Probability of exploitation in next 30 days
EPSS Percentile
72.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0152 is in the 55th percentile among its peer group of 23,725 CVEs.

Social Chatter

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-20170118-esa
Vendor Advisory
securityfocus.com / bid/95637
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037656