CVE•Published 2023-08-08•Modified 2026-08-10•1 article on news•6 live references•NVD data

CVE-2023-38181Microsoft · Exchange_server

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 4% of all CVEs

Weaknesses (CWE)

CWE-502Deserialization of Untrusted Data

Description

Microsoft Exchange Server Spoofing Vulnerability

Timeline

Published 2023-08-08

Modified 2026-08-10

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve 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).

Shodan · vuln tag0 hosts

vuln:CVE-2023-38181

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product + version

product:"Microsoft Exchange Server" version:"2016"

Version-pinned fingerprint from NVD's first vulnerable CPE.

Shodan · banner/body mention

http.html:"Exchange Server"

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

More intel sources (5)

Shodan report

vuln:CVE-2023-38181

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2023-38181

Censys host search filtered to this CVE id.

grep.app

CVE-2023-38181

Public source-code mentions — fast PoC discovery.

GitHub code

CVE-2023-38181

GitHub code search for direct mentions.

Google dork

"CVE-2023-38181" exploit -site:nvd.nist.gov

Write-ups and news, NVD excluded.

Known PoCs on GitHub (6)

CVE-2023-381816 repos

xairy/linux-kernel-exploitationunknown

A collection of links related to Linux kernel security and exploitation

★ 6,669·updated 2w ago

Ostorlab/KEVunknown

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

★ 620·updated 3w ago

NetKingJ/awesome-android-securityunknown

A Collection of Android (Samsung) Security Research References

★ 485·updated 1y ago

ericpardee/fire-hd-ownershipC

Owning a tablet Amazon kept shutting down — CVE-2022-38181 write-up, four AI models, and a blog

★ 6·updated 2mo ago

rxerium/CISA-KEVPython

An automated repo to track Nuclei template scanning capabilities against the CISA KEV.

★ 5·updated 2d ago

Khani-Kingsman/KingSting-VulnScannerPython

Professional Security Intelligence Platform — Web, Android, iOS, WiFi Network Scanner by KhaniKingsman

★ 1·updated 4w ago