Security readout for executives and security teams
Plain-English summary
This is a high-severity Jackson Databind deserialization issue. A vulnerable Java service could process crafted data in a way that exposes confidentiality, integrity, and availability if risky typing features and the relevant gadget class are reachable. Evidence provided does not show known active exploitation.
Executive priority
Prioritize remediation for internet-facing or partner-facing Java systems that parse untrusted data. Treat this as high urgency where old Jackson Databind versions are present, but avoid assuming compromise without local evidence or a cited active-exploitation source.
Technical view
CVE-2020-10969 affects FasterXML jackson-databind 2.x before 2.9.10.4. It is classified as CWE-502 and relates to interaction between serialization gadgets and polymorphic typing involving javax.swing.JEditorPane. The CVSS 3.1 score is 8.8, with network attack vector and user interaction required.
Likely exposure
Most likely exposure is Java applications or vendor products bundling jackson-databind before 2.9.10.4, especially where untrusted input reaches polymorphic deserialization. Downstream advisories from Debian, NetApp, and Oracle indicate third-party product exposure existed, but the bundle does not enumerate exact affected deployments.
Exploitation context
The source bundle does not cite KEV listing or confirmed active exploitation. Exploitability depends on application configuration, reachable classpath gadgets, and whether untrusted content is deserialized with unsafe typing behavior. The CVSS vector marks user interaction as required.
Researcher notes
The CVE record lists generic affected data as n/a, so version scope comes from the description. Validate real risk by combining dependency version, configuration, reachable code paths, and classpath contents. Do not treat every Jackson deployment as exploitable without those conditions.
Mitigation direction
- Upgrade jackson-databind to 2.9.10.4 or later, following vendor guidance.
- Apply relevant Debian, Oracle, NetApp, or application vendor updates where bundled.
- Disable unsafe polymorphic/default typing for untrusted input where feasible.
- Restrict deserialization inputs to expected, validated types and trusted sources.
- Review vendor advisories for product-specific fixes before production rollout.
Validation and detection
- Inventory applications and products bundling jackson-databind 2.x.
- Confirm deployed versions are not earlier than 2.9.10.4.
- Search dependency lockfiles, SBOMs, container images, and vendor notices.
- Identify code paths deserializing untrusted JSON with polymorphic typing enabled.
- Confirm regression tests cover expected deserialization behavior after upgrades.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-10969 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- [debian-lts-announce] 20200417 [SECURITY] [DLA 2179-1] jackson-databind security updateCVE reference · mailing-list, x_refsource_MLIST
- https://medium.com/%40cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062CVE reference · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujul2020.htmlCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200403-0002/CVE reference · x_refsource_CONFIRM
- https://github.com/FasterXML/jackson-databind/issues/2642CVE reference · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuoct2020.htmlCVE reference · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujan2021.htmlCVE reference · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuoct2021.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.