# What is CVE-2020-24616?

> CVE-2020-24616 is a high-severity flaw (CVSS 8.1) in Jackson-Databind from Fasterxml, published on 25 August 2020. 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 7.6%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2020-24616

## 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:** 58 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 8.1 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:** 7.6% (latest exploit-likelihood forecast)
- **Published:** 25 August 2020
- **Record last updated:** 7 November 2023
- **Main product:** Jackson-Databind from Fasterxml
- **Affected products:** 25

## What is CVE-2020-24616? 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 read data, change data and take it offline.

### The official description

FasterXML jackson-databind 2.x before 2.9.10.6 mishandles the interaction between serialization gadgets and typing, related to br.com.anteros.dbcp.AnterosDBCPDataSource (aka Anteros-DBCP).

### What kind of flaw is it?

- CWE-502: Deserialization of Untrusted Data

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Hard: conditions must line up
- Login needed first: No login needed
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can read data, change data and take it offline

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

## Is CVE-2020-24616 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 7.6%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 7.6%, 7.6%, 7.6%, 7.6%, 7.6%, 7.6%, 7.6%.

### Timeline

- 25 August 2020: Published
- 7 November 2023: Record last updated
- 19 November 2025: Exploit likelihood jumped
- 22 November 2025: Exploit likelihood fell

### How Precursor Intelligence ranks it

CVE-2020-24616 scores **58 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-2020-24616?

The published record lists 25 products. Versions are as published: "2.0.0 to before 2.9.10.6" means from 2.0.0 up to, but not including, 2.9.10.6.

- [Jackson-Databind](https://www.precursorintelligence.com/product/fasterxml/jackson-databind) by [Fasterxml](https://www.precursorintelligence.com/vendors/fasterxml) (Application): 2.0.0 to before 2.9.10.6
- [Banking Liquidity Management](https://www.precursorintelligence.com/product/oracle/banking_liquidity_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 14.2, 14.3, 14.5
- [Banking Supply Chain Finance](https://www.precursorintelligence.com/product/oracle/banking_supply_chain_finance) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 14.2, 14.3, 14.5
- [Communications Calendar Server](https://www.precursorintelligence.com/product/oracle/communications_calendar_server) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0, 8.0.0.4.0
- [Communications Contacts Server](https://www.precursorintelligence.com/product/oracle/communications_contacts_server) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0, 8.0.0.5.0
- [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
- [Agile Plm](https://www.precursorintelligence.com/product/oracle/agile_plm) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 9.3.6
- [Application Testing Suite](https://www.precursorintelligence.com/product/oracle/application_testing_suite) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 13.3.0.1
- [Autovue for Agile Product Lifecycle Management](https://www.precursorintelligence.com/product/oracle/autovue_for_agile_product_lifecycle_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 21.0.2
- [Blockchain Platform](https://www.precursorintelligence.com/product/oracle/blockchain_platform) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): before 21.1.2
- [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): 1.4.0
- [Communications Diameter Signaling Router](https://www.precursorintelligence.com/product/oracle/communications_diameter_signaling_router) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.0 to 8.2.2
- [Communications Element Manager](https://www.precursorintelligence.com/product/oracle/communications_element_manager) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.2.0 to 8.2.4.0
- [Communications Evolved Communications Application Server](https://www.precursorintelligence.com/product/oracle/communications_evolved_communications_application_server) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 7.1
- [Communications Instant Messaging Server](https://www.precursorintelligence.com/product/oracle/communications_instant_messaging_server) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 10.0.1.5.0
- [Communications Messaging Server](https://www.precursorintelligence.com/product/oracle/communications_messaging_server) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.1
- [Communications Offline Mediation Controller](https://www.precursorintelligence.com/product/oracle/communications_offline_mediation_controller) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 12.0.0.3
- [Communications Policy Management](https://www.precursorintelligence.com/product/oracle/communications_policy_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 12.5.0
- [Communications Pricing Design Center](https://www.precursorintelligence.com/product/oracle/communications_pricing_design_center) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 12.0.0.4.0
- [Communications Services Gatekeeper](https://www.precursorintelligence.com/product/oracle/communications_services_gatekeeper) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 7.0
- [Communications Session Report Manager](https://www.precursorintelligence.com/product/oracle/communications_session_report_manager) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 8.0.0.0 to 8.2.2.1
- [Communications Unified Inventory Management](https://www.precursorintelligence.com/product/oracle/communications_unified_inventory_management) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 7.4.1
- [Debian Linux](https://www.precursorintelligence.com/product/debian/debian_linux) by [Debian](https://www.precursorintelligence.com/vendors/debian) (Operating system): 9.0
- [Identity Manager Connector](https://www.precursorintelligence.com/product/oracle/identity_manager_connector) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): 11.1.1.5.0
- [Siebel UI Framework](https://www.precursorintelligence.com/product/oracle/siebel_ui_framework) by [Oracle](https://www.precursorintelligence.com/vendors/oracle) (Application): up to 21.2

## How do I fix CVE-2020-24616?

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 update named in the vendor’s advisory. We’ve put the advisories and patch notes first in the list.
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/2814) (Issue tracking, Patch, Third-party advisory)
- [oracle.com](https://www.oracle.com//security-alerts/cpujul2021.html) (Patch, Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpuApr2021.html) (Patch, Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpuapr2022.html) (Patch, Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpujan2021.html) (Patch, Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpujan2022.html) (Patch, Third-party advisory)
- [oracle.com](https://www.oracle.com/security-alerts/cpuoct2021.html) (Patch, Third-party advisory)
- [lists.debian.org](https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html) (Mailing list, Third-party advisory)
- [medium.com](https://medium.com/%40cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062)
- [security.netapp.com](https://security.netapp.com/advisory/ntap-20200904-0006/) (Third-party advisory)

## Questions

### What is CVE-2020-24616?

CVE-2020-24616 is a high-severity flaw in Jackson-Databind from Fasterxml, published on 25 August 2020. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### How serious is CVE-2020-24616?

It scores 8.1 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2020-24616 is 58 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-2020-24616 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 7.6%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2020-24616 affect?

For Jackson-Databind from Fasterxml: 2.0.0 to before 2.9.10.6. The record lists 25 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2020-24616?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2020-24616 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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