How severe is CVE-2017-5191?

CVE-2017-5191 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-5191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5191?

CVE-2017-5191 primarily affects Netiq Access Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5191?

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

When was CVE-2017-5191 published?

CVE-2017-5191 was published on 2017-04-24 and last updated on 2026-06-17.

CVE-2017-5191

CVE-2017-5191 is a medium-severity vulnerability in Netiq Access Manager with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netiq Access Manager
Published: 2017-04-24
Last modified: 2026-06-17

Description

An XSS vulnerability on the /NAGErrors URI in NetIQ Access Manager 4.2 and 4.3 exists because Access Gateway Error pages do not validate the HTTP Referer header.

Frequently asked questions

What is CVE-2017-5191?: An XSS vulnerability on the /NAGErrors URI in NetIQ Access Manager 4.2 and 4.3 exists because Access Gateway Error pages do not validate the HTTP Referer header.
How severe is CVE-2017-5191?: CVE-2017-5191 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-5191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5191?: CVE-2017-5191 primarily affects Netiq Access Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5191 published?: CVE-2017-5191 was published on 2017-04-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:netiq:access_manager:4.2:*:*:*:*:*:*:*
cpe:2.3:a:netiq:access_manager:4.3:*:*:*:*:*:*:*

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