How severe is CVE-2018-11307?

CVE-2018-11307 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-2018-11307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11307?

CVE-2018-11307 primarily affects Fasterxml Jackson-databind. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11307?

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-2018-11307 published?

CVE-2018-11307 was published on 2019-07-09 and last updated on 2026-06-17.

CVE-2018-11307

CVE-2018-11307 is a critical-severity vulnerability in Fasterxml Jackson-databind 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Fasterxml Jackson-databind
Published: 2019-07-09
Last modified: 2026-06-17

Description

An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with a gadget class from iBatis allows exfiltration of content. Fixed in 2.7.9.4, 2.8.11.2, and 2.9.6.

Frequently asked questions

What is CVE-2018-11307?: An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with a gadget class from iBatis allows exfiltration of content. Fixed in 2.7.9.4, 2.8.11.2, and 2.9.6.
How severe is CVE-2018-11307?: CVE-2018-11307 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-2018-11307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11307?: CVE-2018-11307 primarily affects Fasterxml Jackson-databind. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11307?: 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-2018-11307 published?: CVE-2018-11307 was published on 2019-07-09 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:fasterxml:jackson-databind:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:clusterware:12.1.0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:global_lifecycle_management_opatch:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:17.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:utilities_advanced_spatial_and_operational_analytics:2.7.0.1:*:*:*:*:*:*:*

More vulnerabilities in Fasterxml Jackson-databind

CVE-2018-14721 — Critical (CVSS 10.0): FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to conduct server-side request forgery (SSRF)…
CVE-2019-14893 — Critical (CVSS 9.8): A flaw was discovered in FasterXML jackson-databind in all versions before 2.9.10 and 2.10.0, where it would permit…
CVE-2019-14892 — Critical (CVSS 9.8): A flaw was discovered in jackson-databind in versions before 2.9.10, 2.8.11.5 and 2.6.7.3, where it would permit…
CVE-2020-9548 — Critical (CVSS 9.8): FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing,…
CVE-2020-9547 — Critical (CVSS 9.8): FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing,…
CVE-2020-9546 — Critical (CVSS 9.8): FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing,…

All CVEs affecting Fasterxml Jackson-databind →

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

CVE-2026-41104 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose…
CVE-2026-43633 — Critical (CVSS 10.0): HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a…
CVE-2026-33819 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2026-25632 — Critical (CVSS 10.0): EPyT-Flow is a Python package designed for the easy generation of hydraulic and water quality scenario data of water…
CVE-2025-14931 — Critical (CVSS 10.0): Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability.…

Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →