CVE-2019-10173

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 94.8%, top 0% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this weekElevated
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 95%
CISA-KEV: Not listedEPSS: 95%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

It was found that xstream API version 1.4.10 before 1.4.11 introduced a regression for a previous deserialization flaw. If the security framework has not been initialized, it may allow a remote attacker to run arbitrary shell commands when unmarshalling XML or any supported format. e.g. JSON. (regression of CVE-2013-7285)

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
87(Track*)
EG Risk 87/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation95% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.9%
KEV
Not listed

Published

July 23, 2019

Last Modified

May 14, 2025

Advisory Details (6)

Auto-updated Jul 13, 2026
Patch available. Sources: redhat.
redhat Patch Available

1722971 – (CVE-2019-10173) CVE-2019-10173 xstream: remote code execution due to insecure XML deserialization (regression of CVE-2013-7285)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10173
redhat Patch Available
https://access.redhat.com/errata/RHSA-2020:0727
redhat Patch Available
https://access.redhat.com/errata/RHSA-2020:0445
redhat Patch Available
https://access.redhat.com/errata/RHSA-2019:4352
redhat Patch Available
https://access.redhat.com/errata/RHSA-2019:3892
generic

XStream - Change History

http://x-stream.github.io/changes.html#1.4.11

Vendor Advisories for CVE-2019-10173(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatxstream2020-03-05redhat
redhatrh-sso7-keycloak2020-02-06redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
com.thoughtworks.xstream:xstream1.4.10, 1.4.10-java71.4.11—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 4× in last 7d / 12× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 01:38 UTCEG score recompute
  2. 2026-07-22 22:18 UTCEG score recompute
  3. 2026-07-20 17:04 UTCEPSS rescore
  4. 2026-07-20 12:32 UTCOSV refresh
  5. 2026-07-13 22:27 UTCEPSS rescore
  6. 2026-07-13 06:10 UTCEPSS rescore
  7. 2026-07-13 06:10 UTCEPSS rescore
  8. 2026-07-03 07:26 UTCOSV refresh
  9. 2026-06-27 03:06 UTCEPSS rescore
  10. 2026-06-27 03:06 UTCEPSS rescore
  11. 2026-06-23 21:30 UTCEPSS rescore
  12. 2026-06-23 21:30 UTCEPSS rescore
  13. 2026-06-17 17:50 UTCEPSS rescore
  14. 2026-06-15 17:45 UTCEPSS rescore
  15. 2026-06-14 22:13 UTCOSV refresh
  16. 2026-06-12 23:09 UTCEPSS rescore
  17. 2026-06-08 14:15 UTCEPSS rescore
  18. 2026-06-08 14:14 UTCEPSS rescore
  19. 2026-06-05 22:45 UTCEPSS rescore
  20. 2026-06-05 22:45 UTCEPSS rescore
  21. 2026-05-31 22:29 UTCEPSS rescore
  22. 2026-05-31 22:29 UTCEPSS rescore
  23. 2026-05-29 13:42 UTCEPSS rescore
  24. 2026-05-28 13:43 UTCEPSS rescore
  25. 2026-05-27 17:05 UTCEG score recompute
Show 7 more
  1. 2026-05-27 17:05 UTCVendor advisory
  2. 2026-05-27 13:38 UTCEPSS rescore
  3. 2026-05-26 13:42 UTCEPSS rescore
  4. 2026-05-26 13:42 UTCEPSS rescore
  5. 2026-05-26 07:17 UTCEPSS rescore
  6. 2026-05-26 07:17 UTCEPSS rescore
  7. 2026-05-25 23:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2019-10173?
CVE-2019-10173 is a critical vulnerability published on July 23, 2019. It was found that xstream API version 1.4.10 before 1.4.11 introduced a regression for a previous deserialization flaw. If the security framework has not been initialized, it may allow a remote attacker to run arbitrary shell commands when unmarshalling XML or any supported format. e.g. JSON.…
When was CVE-2019-10173 disclosed?
CVE-2019-10173 was first published in the National Vulnerability Database on July 23, 2019, with the most recent update on May 14, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-10173 actively exploited?
CVE-2019-10173 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-10173?
CVE-2019-10173 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-10173?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-10173, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-10173

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