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

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MEDIUM

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

Published Apr 24, 2017

6.1

MEDIUM

CVSS 3.0

EPSS 0.68%

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.

Affected products

Vendor n/a Product NetIQ Access Manager 4.2 and NetIQ Access Manager 4.3 Default
n/a
- Version
  NetIQ Access Manager 4.2 and NetIQ Access Manager 4.3
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

NetIQ Access Manager 4.2 and NetIQ Access Manager 4.3

n/a

Version	Status	Constraints
NetIQ Access Manager 4.2 and NetIQ Access Manager 4.3	affected	-

Remediation

No remediation recorded yet.

Metrics

0.68% 0.00679

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00679

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (8 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.68% (0.00679)	50.58th	v5 (v2026.06.15)
Sep 20, 2026	0.68% (0.00679)	50.91th	v5 (v2026.06.15)
Jul 20, 2024	0.08% (0.00085)	36.78th	v3 (v2023.03.01)
Mar 7, 2023	0.09% (0.00087)	35.05th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1