CVE•Published 2023-05-08•Modified 2026-10-24•1 article on news•5 live references•NVD data

CVE-2023-31039Apache · Brpc

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 26% of all CVEs

Weaknesses (CWE)

CWE-20Improper Input Validation

Description

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

Timeline

Published 2023-05-08

Modified 2026-10-24

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.

Shodan · vuln tag

vuln:CVE-2023-31039

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Apache Brpc"

All exposed Apache Brpc instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Brpc"

HTTP body or banner mentions "Brpc" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2023-31039