How severe is CVE-2017-6734?

CVE-2017-6734 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-2017-6734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6734?

CVE-2017-6734 primarily affects Cisco Identity Services Engine. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6734?

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

When was CVE-2017-6734 published?

CVE-2017-6734 was published on 2017-07-10 and last updated on 2026-06-17.

CVE-2017-6734

CVE-2017-6734 is a medium-severity vulnerability in Cisco Identity Services Engine 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Identity Services Engine
Published: 2017-07-10
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of an affected device, related to the Guest Portal. More Information: CSCvd74794. Known Affected Releases: 1.3(0.909) 2.1(0.800).

Frequently asked questions

What is CVE-2017-6734?: A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of an affected device, related to the Guest Portal. More Information: CSCvd74794. Known Affected Releases: 1.3(0.909) 2.1(0.800).
How severe is CVE-2017-6734?: CVE-2017-6734 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-2017-6734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6734?: CVE-2017-6734 primarily affects Cisco Identity Services Engine. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6734 published?: CVE-2017-6734 was published on 2017-07-10 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:cisco:identity_services_engine:1.3\(0.722\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:1.3\(0.876\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:1.3\(0.909\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:1.3\(106.146\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:1.3\(120.135\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:2.1\(0.474\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:2.1\(0.800\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:2.1\(102.101\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:2.1_base:*:*:*:*:*:*:*

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