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Vulnerabilities

Vulnerability · CVE-2020-8840

FasterXML jackson-databind 2.0.0 through 2.9.10.2 lacks certain xbean-reflect/JNDI blocking, as demonstrated by org.apache.xbean.propertyeditor.JndiConverter.

Published Feb 10, 2020 · catalog updated Oct 26, 2026 · FasterXML jackson-databind 2.0.0 through

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2020-8840 is not in CISA KEV. FIRST estimates a 26.59% chance of exploitation in the next 30 days. Check whether you run FasterXML jackson-databind 2.0.0 through.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (FasterXML jackson-databind 2.0.0 through).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
26.59%
Remediation
Advisory link
Affected products
Debian:12 jackson-databind · Debian:13 jackson-databind · Debian:14 jackson-databind

FasterXML jackson-databind 2.0.0 through 2.9.10.2 lacks certain xbean-reflect/JNDI blocking, as demonstrated by org.apache.xbean.propertyeditor.JndiConverter.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 jackson-databind0 → 2.11.1-1
  • Debian:13 jackson-databind0 → 2.11.1-1
  • Debian:14 jackson-databind0 → 2.11.1-1

How to fix CVE-2020-8840

  • Upgrade

    CVE-2020-8840 lists a fix boundary at 2.11.1-1. Compare the installed build with that boundary before you change production.

  • Version check

    Fixed in 2.11.1-1 · 2 other ranges on the advisory

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-8840 is not in CISA KEV. FIRST estimates a 26.59% chance of exploitation in the next 30 days. Check whether you run FasterXML jackson-databind 2.0.0 through.

Which versions are affected?

Compare what you have installed with 0 → 2.11.1-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 26.59%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian securityJackson security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 10, 2020 · OpenSSF OSV / OSV Scanner

    Detected

    FasterXML jackson-databind 2.0.0 through 2.9.10.2 lacks certain xbean-reflect/JNDI blocking, as demonstrated by org.apache.xbean.propertyeditor.JndiConverter.

  2. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    jackson-databind fixed in 2.11.1-1; jackson-databind fixed in 2.11.1-1; jackson-databind fixed in 2.11.1-1

  3. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    jackson-databind fixed in 2.11.1-1

  4. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    FasterXML jackson-databind 2.0.0 through 2.9.10.2 lacks certain xbean-reflect/JNDI blocking, as demonstrated by org.apache.xbean.propertyeditor.JndiConverter.

Sources

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 26, 2026
  • OpenSSF OSV / OSV ScannerOct 26, 2026