CVE Catalog

CVE-2021-29505

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
77.23%

100th percentile - higher than 100% of all known CVEs

Summary

Vulnerability in XStream before version 1.4.17 allows a remote attacker with sufficient rights to execute commands on the host by manipulating the processed input stream. Users following the whitelist recommendation are not affected.

Risk Assessment

An attacker can execute arbitrary commands on the server, potentially leading to full system compromise and data confidentiality breach.

Recommendation

Upgrade XStream to version 1.4.17 or later to fix the vulnerability. Ensure the security framework is configured with a whitelist.

Other vulnerabilities in XStream

See all
Original NVD description (English source)

XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS