How severe is CVE-2017-6749?

CVE-2017-6749 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-6749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6749?

CVE-2017-6749 primarily affects Cisco Web Security Appliance. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6749?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-6749 published?

CVE-2017-6749 was published on 2017-07-25 and last updated on 2026-06-17.

CVE-2017-6749

CVE-2017-6749 is a medium-severity vulnerability in Cisco Web Security Appliance with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Web Security Appliance
Published: 2017-07-25
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88865. Known Affected Releases: 10.1.0-204.

Frequently asked questions

What is CVE-2017-6749?: A vulnerability in the web-based management interface of Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88865. Known Affected Releases: 10.1.0-204.
How severe is CVE-2017-6749?: CVE-2017-6749 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-6749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6749?: CVE-2017-6749 primarily affects Cisco Web Security Appliance. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6749 published?: CVE-2017-6749 was published on 2017-07-25 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.0.0-233:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.0_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.1.1-230:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.1.1-234:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.1.1-235:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.5.0-358:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:10.5.1-270:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.0_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.5.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:10.5_base:*:*:*:*:*:*:*

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