How severe is CVE-2019-10173?

CVE-2019-10173 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-2019-10173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 95% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10173?

CVE-2019-10173 primarily affects Xstream. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-10173?

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-2019-10173 published?

CVE-2019-10173 was published on 2019-07-23 and last updated on 2026-06-17.

CVE-2019-10173

CVE-2019-10173 is a critical-severity vulnerability in Xstream with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 95% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 95% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Xstream
Published: 2019-07-23
Last modified: 2026-06-17

Description

It was found that xstream API version 1.4.10 before 1.4.11 introduced a regression for a previous deserialization flaw. If the security framework has not been initialized, it may allow a remote attacker to run arbitrary shell commands when unmarshalling XML or any supported format. e.g. JSON. (regression of CVE-2013-7285)

Frequently asked questions

What is CVE-2019-10173?: It was found that xstream API version 1.4.10 before 1.4.11 introduced a regression for a previous deserialization flaw. If the security framework has not been initialized, it may allow a remote attacker to run arbitrary shell commands when unmarshalling XML or any supported format. e.g. JSON. (regression of CVE-2013-7285)
How severe is CVE-2019-10173?: CVE-2019-10173 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-2019-10173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 95% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10173?: CVE-2019-10173 primarily affects Xstream. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-10173?: 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-2019-10173 published?: CVE-2019-10173 was published on 2019-07-23 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:a:xstream:xstream:1.4.10:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_activity_monitoring:11.1.1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_activity_monitoring:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_activity_monitoring:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_billing_and_revenue_management_elastic_charging_engine:11.3.0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_billing_and_revenue_management_elastic_charging_engine:12.0.0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_unified_inventory_management:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:endeca_information_discovery_studio:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:endeca_information_discovery_studio:3.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:utilities_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:utilities_framework:2.2.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:utilities_framework:4.2.0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:utilities_framework:4.2.0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:utilities_framework:4.4.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:11.1.1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*

More vulnerabilities in Xstream

CVE-2013-7285 — Critical (CVSS 9.8): Xstream API versions up to 1.4.6 and version 1.4.10, if the security framework has not been initialized, may allow a…
CVE-2021-39152 — High (CVSS 8.5): XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may…
CVE-2021-39150 — High (CVSS 8.5): XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may…
CVE-2021-39154 — High (CVSS 8.5): XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may…
CVE-2021-39153 — High (CVSS 8.5): XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may…
CVE-2021-39151 — High (CVSS 8.5): XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may…

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