CVE-2020-11620 — FasterXML jackson-databind 2
FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.jelly.impl.Embedded (aka commons-jelly).
Published
2020-04-07T23:15:12.140
Last modified
2026-10-08T21:17:21.667
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.jelly.impl.Embedded (aka commons-jelly).
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-04-07T23:15:12.140
- Last modified: 2026-10-08T21:17:21.667
09References
- github.com — https://github.com/FasterXML/jackson-databind/issues/2682
- lists.apache.org — https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/04/msg00012.html
- medium.com — https://medium.com/%40cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-n…
- security.netapp.com — https://security.netapp.com/advisory/ntap-20200511-0004/
- www.oracle.com — https://www.oracle.com/security-alerts/cpujan2021.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpujul2020.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpuoct2020.html
- github.com — https://github.com/FasterXML/jackson-databind/issues/2682
- lists.apache.org — https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741…
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →