CVE-2023-41331: SOFARPC is a Java RPC framework

Q: How do I fix CVE-2023-41331?

sofarpc: upgrade to 5.11.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-41331 being exploited?

CVE-2023-41331 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-41331 affect?

CVE-2023-41331 affects sofarpc. Severity is critical (CVSS 9.8). SOFARPC is a Java RPC framework. Versions prior to 5.11.0 are vulnerable to remote command execution. Through a carefully crafted payload, an attacker can achieve JNDI injection or system command execution. In the default configuration of t

Q: How urgent is CVE-2023-41331?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-41331 is a critical-severity flaw (CVSS 9.8) affecting sofarpc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SOFARPC is a Java RPC framework. Versions prior to 5.11.0 are vulnerable to remote command execution. Through a carefully crafted payload, an attacker can achieve JNDI injection or system command execution. In the default configuration of the SOFARPC framework, a blacklist is used to filter out dangerous classes encountered during the deserialization process. However, the blacklist is not comprehensive, and an actor can exploit certain native JDK

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-917
Published	2023-09-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: sofastack

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-12 20:15 UTCPublished CVE record published
2026-06-17 06:21 UTCUpdated Record last modified

sofastack sofarpc UPGRADE

Affected: < 5.11.0

Fixed in: 5.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sofarpc || rpm -q sofarpc || sofarpc --version

2. UPGRADE to 5.11.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sofarpc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sofarpc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-41331?

sofarpc: upgrade to 5.11.0. Exact commands for each OS are on this page.

Is CVE-2023-41331 being exploited?

CVE-2023-41331 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-41331 affect?

CVE-2023-41331 affects sofarpc. Severity is critical (CVSS 9.8). SOFARPC is a Java RPC framework. Versions prior to 5.11.0 are vulnerable to remote command execution. Through a carefully crafted payload, an attacker can achieve JNDI injection or system command execution. In the default configuration of t

How urgent is CVE-2023-41331?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2024-23636 CRITICAL 9.8 UPGRADE SOFARPC is a Java RPC framework

References

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