Independent & educational platform Not a government body. No link or affiliation with any government organisation. Made for learning only. Test only systems you own or are authorised to test. Become a Partner or Sponsor → Full disclaimer

CVE-2023-31039

critical

Security vulnerability in Apache bRPC <1.5.0 on all platforms allows attackers to execute arbitrary code via ServerOptions::pid_file.

Vendor / product: Apache — brpc

Security vulnerability in Apache bRPC <1.5.0 on all platforms allows attackers to execute arbitrary code via ServerOptions::pid_file. An attacker that can influence the ServerOptions pid_file parameter with which the bRPC server is started can execute arbitrary code with the permissions of the bRPC process. Solution: 1. upgrade to bRPC >= 1.5.0, download link: https://dist.apache.org/repos/dist/release/brpc/1.5.0/ https://dist.apache.org/repos/dist/release/brpc/1.5.0/ 2. If you are using an old version of bRPC and hard to upgrade, you can apply this patch: https://github.com/apache/brpc/pull/2218 https://github.com/apache/brpc/pull/2218

CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-05-08 09:15
Modified: 2026-10-24 13:10
NVD status: Modified
Last synced 2 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

apache / brpc ≥0.9.0 <1.5.0

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://lists.apache.org/thread/jqpttrqbc38yhckgp67xk399hqxnz7jn
Vendor advisory: https://lists.apache.org/thread/jqpttrqbc38yhckgp67xk399hqxnz7jn
Patch / mitigation: http://www.openwall.com/lists/oss-security/2023/05/08/1
Patch / mitigation: https://lists.apache.org/thread/jqpttrqbc38yhckgp67xk399hqxnz7jn
Patch / mitigation: http://www.openwall.com/lists/oss-security/2023/05/08/1
Patch / mitigation: https://lists.apache.org/thread/jqpttrqbc38yhckgp67xk399hqxnz7jn

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores

Related CVEs