How severe is CVE-2017-9458?

CVE-2017-9458 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-9458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9458?

CVE-2017-9458 primarily affects Paloaltonetworks Pan-os. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-9458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-9458 published?

CVE-2017-9458 was published on 2017-09-07 and last updated on 2026-06-17.

CVE-2017-9458

CVE-2017-9458 is a critical-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 9.8. 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-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Paloaltonetworks Pan-os
Published: 2017-09-07
Last modified: 2026-06-17

Description

XML external entity (XXE) vulnerability in the GlobalProtect internal and external gateway interface in Palo Alto Networks PAN-OS before 6.1.18, 7.0.x before 7.0.17, 7.1.x before 7.1.12, and 8.0.x before 8.0.3 allows remote attackers to obtain sensitive information, cause a denial of service, or conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Frequently asked questions

What is CVE-2017-9458?: XML external entity (XXE) vulnerability in the GlobalProtect internal and external gateway interface in Palo Alto Networks PAN-OS before 6.1.18, 7.0.x before 7.0.17, 7.1.x before 7.1.12, and 8.0.x before 8.0.3 allows remote attackers to obtain sensitive information, cause a denial of service, or conduct server-side request forgery (SSRF) attacks via unspecified vectors.
How severe is CVE-2017-9458?: CVE-2017-9458 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9458?: CVE-2017-9458 primarily affects Paloaltonetworks Pan-os. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-9458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-9458 published?: CVE-2017-9458 was published on 2017-09-07 and last updated on 2026-06-17.

References

Affected products (29)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.0:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.3:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.7:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.8:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.9:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.10:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.11:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.0.12:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.0:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.2:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.3:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.4:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.5:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.6:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.7:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.8:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.9:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.10:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:7.1.11:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:8.0.0:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:8.0.1:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:8.0.2:*:*:*:*:*:*:*

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