How severe is CVE-2017-15708?

CVE-2017-15708 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-2017-15708 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15708?

CVE-2017-15708 primarily affects Apache Synapse. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-15708?

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-2017-15708 published?

CVE-2017-15708 was published on 2017-12-11 and last updated on 2026-06-17.

CVE-2017-15708

CVE-2017-15708 is a critical-severity vulnerability in Apache Synapse with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-74.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Apache Synapse
Published: 2017-12-11
Last modified: 2026-06-17

Description

In Apache Synapse, by default no authentication is required for Java Remote Method Invocation (RMI). So Apache Synapse 3.0.1 or all previous releases (3.0.0, 2.1.0, 2.0.0, 1.2, 1.1.2, 1.1.1) allows remote code execution attacks that can be performed by injecting specially crafted serialized objects. And the presence of Apache Commons Collections 3.2.1 (commons-collections-3.2.1.jar) or previous versions in Synapse distribution makes this exploitable. To mitigate the issue, we need to limit RMI access to trusted users only. Further upgrading to 3.0.1 version will eliminate the risk of having said Commons Collection version. In Synapse 3.0.1, Commons Collection has been updated to 3.2.2 version.

Frequently asked questions

What is CVE-2017-15708?: In Apache Synapse, by default no authentication is required for Java Remote Method Invocation (RMI). So Apache Synapse 3.0.1 or all previous releases (3.0.0, 2.1.0, 2.0.0, 1.2, 1.1.2, 1.1.1) allows remote code execution attacks that can be performed by injecting specially crafted serialized objects. And the presence of Apache Commons Collections 3.2.1 (commons-collections-3.2.1.jar) or previous versions in Synapse distribution makes this exploitable. To mitigate the issue, we need to limit RMI access to trusted users only. Further upgrading to 3.0.1 version will eliminate the risk of having said Commons Collection version. In Synapse 3.0.1, Commons Collection has been updated to 3.2.2 version.
How severe is CVE-2017-15708?: CVE-2017-15708 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-2017-15708 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15708?: CVE-2017-15708 primarily affects Apache Synapse. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-15708?: 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-2017-15708 published?: CVE-2017-15708 was published on 2017-12-11 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:a:apache:synapse:1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:1.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:synapse:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_market_risk_measurement_and_management:8.0.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_market_risk_measurement_and_management:8.0.8:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*

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