CVE-2021-29505
XStream is vulnerable to a Remote Command Execution attack
Exploitation likely. EPSS gives it a 77% chance of exploitation in the next 30 days. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
77% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 1854 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changecritical → high
- Nuclei check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- banking cash managementEnterprise Software / hr-finance
- banking corporate lending process managementEnterprise Software / itsm-monitoring
- banking credit facilities process managementEnterprise Software / itsm-monitoring
- banking supply chain financeDatabases / relational
- banking trade finance process managementEnterprise Software / itsm-monitoring
- business activity monitoringEnterprise Software / itsm-monitoring
- communications brm - elastic charging engineCommunications / messaging-chat
- communications unified inventory managementEnterprise Software / itsm-monitoring
- Red Hat Enterprise LinuxOperating Systems / linux-distro
- Red Hat JBoss FuseOperating Systems / linux-distro
- Red Hat Descision ManagerOperating Systems / linux-distro
- CodeReady StudioOperating Systems / linux-distro
- Data GridOperating Systems / linux-distro
- Red Hat Process AutomationOperating Systems / linux-distro
- Red Hat Integration Camel KOperating Systems / linux-distro
- Red Hat Integration Camel QuarkusOperating Systems / linux-distro
And 10 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for Banking Cash Management, not every advisory.
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