CVE-2022-40319

HIGHNVD 7.57.5—Elevated

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 96.9%
KEV: Not listed

Published

January 17, 2023

Last Modified

April 4, 2025

References (4)

cve@mitrehttps://packetstormsecurity.com/2301-exploits/listserv17-idor.txt
cve@mitrehttps://peach.ease.lsoft.com/scripts/wa-PEACH.exe?A0=LSTSRV-L
af854a3a-2127-422b-91ae-364da2661108https://packetstormsecurity.com/2301-exploits/listserv17-idor.txt
af854a3a-2127-422b-91ae-364da2661108https://peach.ease.lsoft.com/scripts/wa-PEACH.exe?A0=LSTSRV-L

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-639Authorization Bypass Through User-Controlled Key (IDOR)

Data Freshness Timeline

(refreshed 7× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-25 08:29 UTCEG score recompute
2026-05-25 08:29 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-51149
First seen Mar 30, 2023
LISTSERV 17 - Insecure Direct Object Reference (IDOR)
Open source ↗

Frequently asked(5)

What is CVE-2022-40319?

CVE-2022-40319 is a high vulnerability published on January 17, 2023. 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.

When was CVE-2022-40319 disclosed?

CVE-2022-40319 was first published in the National Vulnerability Database on January 17, 2023, with the most recent update on April 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-40319 actively exploited?

CVE-2022-40319 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-40319?

CVE-2022-40319 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-40319?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40319, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-40319

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-40319?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)