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CVE-2019-1672

21
FAUCET Score

CVE-2019-1672 is a medium-severity vulnerability affecting Cisco Web Security Appliance (WSA) versions 10.1.x and 10.5.x. It allows an unauthenticated, remote attacker to bypass configured decryption policies, specifically when "Decrypt for End-User Notification" is disabled, leading to the allowance of traffic that should have been blocked. The vulnerability has a CVSS score of 5.8, indicating a low impact on integrity and no impact on confidentiality or availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
10.1.0-204CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:*:*
10.5.2-072CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.5.2-072:*:*:*:*:*:*:*
11.5.1-fcs-115CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:11.5.1-fcs-115:*:*:*:*:*:*:*

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
1.65%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 59th 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

Remediation records are not available for this CVE.

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-wsa-bypass
Third Party Advisory
securityfocus.com / bid/106904
Third Party Advisory