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CVE-2017-6751

20
FAUCET Score

CVE-2017-6751 describes an access control bypass vulnerability in the web proxy functionality of Cisco Web Security Appliance (WSA) hardware and virtual versions. An unauthenticated, remote attacker can exploit this to forward traffic from the web proxy interface to the administrative management interface. This vulnerability has a CVSSv3 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on integrity, but 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 for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.0.0-162CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:9.0.0-162:*:*:*:*:*:*:*
9.0.0-193CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:9.0.0-193:*:*:*:*:*:*:*
9.0.0-485CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:9.0.0-485:*:*:*:*:*:*:*
10.0.0-232CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:*
10.0.0-233CPE matchmatch criteria
cpe:2.3:a:cisco:web_security_appliance:10.0.0-233:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0196 is in the 62nd percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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-20170719-wsa5
Vendor Advisory
securityfocus.com / bid/99967
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038959
Third Party AdvisoryVDB Entry