A vulnerability in the web proxy functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to forward traffic from the web proxy interface of an affected device to the administrative management interface of an affected device, aka an Access Control Bypass Vulnerability. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88863. Known Affected Releases: 10.1.0-204 9.0.0-485.
CVE-2017-6751
HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 78.0%
- KEV
- Not listed
Published
July 25, 2017
Last Modified
May 13, 2026
References (6)
- psirt@ciscohttp://www.securityfocus.com/bid/99967
- psirt@ciscohttp://www.securitytracker.com/id/1038959
- psirt@ciscohttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-wsa5
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99967
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038959
- af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-wsa5
Data Freshness Timeline
(refreshed 12× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-06-21 14:54 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 11:27 UTCEG score recompute
- 2026-05-22 11:27 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
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- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-6751?
CVE-2017-6751 is a high vulnerability published on July 25, 2017. A vulnerability in the web proxy functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to forward traffic from the web proxy interface of an affected device to the administrative management interface of an affected device, aka an Access Control…
When was CVE-2017-6751 disclosed?
CVE-2017-6751 was first published in the National Vulnerability Database on July 25, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-6751 actively exploited?
CVE-2017-6751 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-6751?
CVE-2017-6751 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-6751?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-6751, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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