CVE-2022-40319

HIGH

LISTSERV 17 - Unauthenticated Account Modification via IDOR in wa.exe Email Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-40319. PoCs published by Shaunt Der-Grigorian.

AI-analyzed exploit summary This is a step-by-step writeup detailing how to exploit an Insecure Direct Object Reference (IDOR) vulnerability in LISTSERV 17. The exploit involves manipulating the Y parameter and WALOGIN cookie to access and modify another user's profile.

Description

The LISTSERV 17 web interface allows remote attackers to conduct Insecure Direct Object References (IDOR) attacks via a modified email address in a wa.exe URL. The impact is unauthorized modification of a victim's LISTSERV account.

Exploits (1)

exploitdb WRITEUP
by Shaunt Der-Grigorian · textwebappscgi
https://www.exploit-db.com/exploits/51149

This is a step-by-step writeup detailing how to exploit an Insecure Direct Object Reference (IDOR) vulnerability in LISTSERV 17. The exploit involves manipulating the Y parameter and WALOGIN cookie to access and modify another user's profile.

Classification
Writeup 100%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: LISTSERV 17
Auth required
Prerequisites: Two accounts on the LISTSERV 17 installation · Access to intercept and modify HTTP traffic (e.g., Burp Suite)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0720
EPSS Percentile 93.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-639
Status published
Products (1)
lsoft/listserv 17.0
Published Jan 17, 2023
Tracked Since Feb 18, 2026