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🛡️ CVE-2020-36187 — jackson-databind

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-502 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Unsafe Deserialization in jackson-databind

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2020-36187 is classified as CWE-502: Deserialization of Untrusted Data. Serialised data from an untrusted source is reconstructed into objects, which can trigger code during the process.

Affected software

CVE-2020-36187 is recorded against 1 package.

  • com.fasterxml.jackson.core:jackson-databind (from 2.0.0 up to 2.9.10.8)

Timeline and source

Published on 9 December 2021 and last revised on 18 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
cowtowncoder.medium.com (Web)
github.com (Package)
lists.debian.org (Web)
security.netapp.com (Web)
www.oracle.com (Web)
www.oracle.com (Web)
www.oracle.com (Web)
www.oracle.com (Web)
www.oracle.com (Web)
www.oracle.com (Web)

Other advisories for this package

com.fasterxml.jackson.core:jackson-databind has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-502: Deserialization of Untrusted Data) in other software:

CVE-2020-36187 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-502
Public Exploit ✅ No
Source OSV
Published 2021-12-09
Updated 2026-08-20
Modified 2024-02-18
Fix URL N/A

Affected Packages

Software From version Fixed in
com.fasterxml.jackson.core:jackson-databind 2.0.0 2.9.10.8

References

Site Security Check

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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