# What is CVE-2020-36518?

> CVE-2020-36518 is a high-severity flaw (CVSS 7.5) in Jackson-Databind from Fasterxml, published on 11 March 2022. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 4.9%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2020-36518

## At a glance

- **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle.
- **Precursor Intelligence risk score:** 52 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 7.5 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 4.9% (latest exploit-likelihood forecast)
- **Published:** 11 March 2022
- **Record last updated:** 27 August 2025
- **Main product:** Jackson-Databind from Fasterxml
- **Affected products:** 36

## What is CVE-2020-36518? In plain terms

It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline.

### The official description

jackson-databind before 2.13.0 allows a Java StackOverflow exception and denial of service via a large depth of nested objects.

### What kind of flaw is it?

- CWE-787: Out-of-bounds Write

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Easy: no special conditions
- Login needed first: No login needed
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can take it offline

Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

## Is CVE-2020-36518 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 4.9%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 4.9%, 4.9%, 4.9%, 4.9%, 4.9%, 4.9%, 4.9%.

### Timeline

- 11 March 2022: Published
- 27 August 2025: Record last updated

### How Precursor Intelligence ranks it

CVE-2020-36518 scores **52 out of 100 (Medium)**, with the action "Plan remediation".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2020-36518?

The published record lists 36 products. Versions are as published: "before 2.12.6.1" means every version up to, but not including, 2.12.6.1.

- [Jackson-Databind](https://www.precursorintelligence.com/product/fasterxml/jackson-databind) by [Fasterxml](https://www.precursorintelligence.com/vendors/fasterxml) (Application): before 2.12.6.1, 2.13.0 to before 2.13.2.1
- [Utilities Framework](https://www.precursorintelligence.com/product/oracle/utilities_framework) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 4.3.0.5.0, 4.3.0.6.0, 4.4.0.0.0, 4.4.0.2.0, 4.4.0.3.0, 4.4.0.5.0
- [Financial Services Enterprise Case Management](https://www.precursorintelligence.com/product/oracle/financial_services_enterprise_case_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.7.1, 8.0.7.2, 8.0.8.0, 8.0.8.1, 8.1.1.0 to 8.1.2.1
- [Primavera Gateway](https://www.precursorintelligence.com/product/oracle/primavera_gateway) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 17.12.0 to 17.12.11, 18.8.0 to 18.8.14, 19.12.0 to 19.12.13, 20.12.0 to 20.12.18, 21.12.0 to 21.12.1
- [Primavera Unifier](https://www.precursorintelligence.com/product/oracle/primavera_unifier) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 17.0 to 17.12, 18.0, 19.12, 20.12, 21.12
- [Financial Services Analytical Applications Infrastructure](https://www.precursorintelligence.com/product/oracle/financial_services_analytical_applications_infrastructure) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.7 to 8.1.0.0, 8.1.1.0, 8.1.2.0, 8.1.2.1
- [Primavera P6 Enterprise Project Portfolio Management](https://www.precursorintelligence.com/product/oracle/primavera_p6_enterprise_project_portfolio_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 17.12.0.0 to 17.12.20.4, 18.8.0.0 to 18.8.25.4, 19.12.0 to 19.12.19.0, 20.12.0.0 to 21.12.4.0
- [Commerce Platform](https://www.precursorintelligence.com/product/oracle/commerce_platform) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 11.3.0, 11.3.1, 11.3.2
- [Debian Linux](https://www.precursorintelligence.com/product/debian/debian_linux) by [Debian](https://www.precursorintelligence.com/vendors/debian) (Operating system): 9.0, 10.0, 11.0
- [Financial Services Behavior Detection Platform](https://www.precursorintelligence.com/product/oracle/financial_services_behavior_detection_platform) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.7.0.0, 8.0.8, 8.1.1.0 to 8.1.2.1
- [Weblogic Server](https://www.precursorintelligence.com/product/oracle/weblogic_server) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
- [Communications Cloud Native Core Network Repository Function](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_network_repository_function) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 22.1.2, 22.2.0
- [Communications Cloud Native Core Network Slice Selection Function](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_network_slice_selection_function) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 22.1.0, 22.1.1
- [Financial Services Crime and Compliance Management Studio](https://www.precursorintelligence.com/product/oracle/financial_services_crime_and_compliance_management_studio) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.8.2.0, 8.0.8.3.0
- [Financial Services Trade-Based Anti Money Laundering](https://www.precursorintelligence.com/product/oracle/financial_services_trade-based_anti_money_laundering) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.7, 8.0.8
- [Global Lifecycle Management Nextgen Oui Framework](https://www.precursorintelligence.com/product/oracle/global_lifecycle_management_nextgen_oui_framework) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): before 13.9.4.2.2, 13.9.4.2.2
- [Peoplesoft Enterprise Peopletools](https://www.precursorintelligence.com/product/oracle/peoplesoft_enterprise_peopletools) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.58, 8.59
- [SD-WAN Edge](https://www.precursorintelligence.com/product/oracle/sd-wan_edge) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 9.0, 9.1
- [Active Iq Unified Manager](https://www.precursorintelligence.com/product/netapp/active_iq_unified_manager) by [Netapp](https://www.precursorintelligence.com/vendors/netapp) (Application): version not specified
- [Big Data Spatial and Graph](https://www.precursorintelligence.com/product/oracle/big_data_spatial_and_graph) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): before 23.1
- [Cloud Insights Acquisition Unit](https://www.precursorintelligence.com/product/netapp/cloud_insights_acquisition_unit) by [Netapp](https://www.precursorintelligence.com/vendors/netapp) (Application): version not specified
- [Coherence](https://www.precursorintelligence.com/product/oracle/coherence) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 14.1.1.0.0
- [Communications Billing and Revenue Management](https://www.precursorintelligence.com/product/oracle/communications_billing_and_revenue_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 12.0.0.4.0 to 12.0.0.6.0
- [Communications Cloud Native Core Binding Support Function](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_binding_support_function) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 22.1.3
- [Communications Cloud Native Core Console](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_console) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 1.9.0
- [Communications Cloud Native Core Security Edge Protection Proxy](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_security_edge_protection_proxy) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 22.1.1
- [Communications Cloud Native Core Service Communication Proxy](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_service_communication_proxy) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 22.2.0
- [Communications Cloud Native Core Unified Data Repository](https://www.precursorintelligence.com/product/oracle/communications_cloud_native_core_unified_data_repository) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 22.2.0
- [Global Lifecycle Management Opatch](https://www.precursorintelligence.com/product/oracle/global_lifecycle_management_opatch) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): before 12.2.0.1.30
- [Graph Server and Client](https://www.precursorintelligence.com/product/oracle/graph_server_and_client) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): before 22.2.0
- [Health Sciences Empirica Signal](https://www.precursorintelligence.com/product/oracle/health_sciences_empirica_signal) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 9.1.0.5.2
- [Oncommand Insight](https://www.precursorintelligence.com/product/netapp/oncommand_insight) by [Netapp](https://www.precursorintelligence.com/vendors/netapp) (Application): version not specified
- [Oncommand Workflow Automation](https://www.precursorintelligence.com/product/netapp/oncommand_workflow_automation) by [Netapp](https://www.precursorintelligence.com/vendors/netapp) (Application): version not specified
- [Retail Sales Audit](https://www.precursorintelligence.com/product/oracle/retail_sales_audit) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 15.0.3.1
- [Snap Creator Framework](https://www.precursorintelligence.com/product/netapp/snap_creator_framework) by [Netapp](https://www.precursorintelligence.com/vendors/netapp) (Application): version not specified
- [Spatial Studio](https://www.precursorintelligence.com/product/oracle/spatial_studio) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): before 20.1.0

## How do I fix CVE-2020-36518?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the latest update from the vendor. The references list where the vendor has published details.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [github.com](https://github.com/FasterXML/jackson-databind/issues/2816) (Issue tracking, Third-party advisory)
- [lists.debian.org](https://lists.debian.org/debian-lts-announce/2022/05/msg00001.html) (Exploit, Mailing list, Third-party advisory)
- [lists.debian.org](https://lists.debian.org/debian-lts-announce/2022/11/msg00035.html) (Mailing list, Third-party advisory)
- [security.netapp.com](https://security.netapp.com/advisory/ntap-20220506-0004/) (Third-party advisory)
- [debian.org](https://www.debian.org/security/2022/dsa-5283) (Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpuapr2022.html) (Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpujul2022.html) (Third-party advisory)

## Questions

### What is CVE-2020-36518?

CVE-2020-36518 is a high-severity flaw in Jackson-Databind from Fasterxml, published on 11 March 2022. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline.

### How serious is CVE-2020-36518?

It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2020-36518 is 52 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2020-36518 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 4.9%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2020-36518 affect?

For Jackson-Databind from Fasterxml: before 2.12.6.1, 2.13.0 to before 2.13.2.1. The record lists 36 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2020-36518?

Install the update the vendor names in its advisory. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2020-36518 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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