cve.bz

CVE-2019-17556

9.8 criticalEPSS 3.6%

Critical (9.8) in apache olingo. EPSS 3.6% chance of exploitation in the next 30 days. Fixed in org.apache.olingo:odata-client-proxy 4.7.0.

Apache Olingo versions 4.0.0 to 4.6.0 provide the AbstractService class, which is public API, uses ObjectInputStream and doesn't check classes being deserialized. If an attacker can feed malicious metadata to the class, then it may result in running attacker's code in the worse case.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE
CWE-502
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-gj76-429m-56wcMavenorg.apache.olingo:odata-client-proxy>=4.0.0 <4.7.04.7.0

References

Check your stackJSON