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Vulnerabilities

Vulnerability · CVE-2021-20190

A flaw was found in jackson-databind before 2.9.10.7.

Published Jan 19, 2021 · catalog updated Jul 24, 2026 · A flaw was found

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-20190. EPSS is 7.57%. Act only if a listed version of A flaw was found is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A flaw was found).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
7.57%
Remediation
Version ranges on file
Affected products
cpe apache/nifi · cpe debian/debian linux · cpe fasterxml/jackson-databind · cpe oracle/commerce experience manager · cpe oracle/commerce guided search

A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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.

  • cpe apache/nifi>= 1.7.0, <= 1.12.1
  • cpe debian/debian linux9.0
  • cpe fasterxml/jackson-databind< 2.6.7.5
  • cpe fasterxml/jackson-databind< 2.9.10.7
  • cpe oracle/commerce experience manager11.3.2
  • cpe oracle/commerce guided search11.3.2

How to fix CVE-2021-20190

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2021-20190. EPSS is 7.57%. Act only if a listed version of A flaw was found is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 9.0; oracle/commerce experience manager 11.3.2; oracle/commerce guided search 11.3.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 7.57%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Jackson security

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Jan 19, 2021 · Monitored products — high

    Detected

    A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

  2. Jul 24, 2026 · Monitored products — high

    Updated

    A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Sources

  • CVE.orgVulnerability recordCVE-2021-20190

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2021-20190

    A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 8, 2026
  • Monitored products — highNov 8, 2026