THREATPORT/VULNERABILITY/CVE-2019-14893
CRITICAL SEVERITY

CVE-2019-14893

Jackson Databind vulnerability

CVSS
9.8
EPSS
4.1%
EPSS pct
90th
Exploited
No known
A flaw was discovered in FasterXML jackson-databind in all versions before 2.9.10 and 2.10.0, where it would permit polymorphic deserialization of malicious objects using the xalan JNDI gadget when used in conjunction with polymorphic type handling methods such as `enableDefaultTyping()` or when @JsonTypeInfo is using `Id.CLASS` or `Id.MINIMAL_CLASS` or in any other way which ObjectMapper.readValue might instantiate objects from unsafe sources. An attacker could use this flaw to execute arbitrary code.
Affected vendor
Fasterxml
Affected product
Jackson Databind
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-200 — Exposure of Sensitive Information
  • CWE-502 — Deserialization of Untrusted Data
Published
2020-03-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2019-14893

  • Confirm whether Fasterxml Jackson Databind is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-14893.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-14893

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-14893 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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