What is CVE-2022-40319?

CVE-2022-40319 is a high-severity vulnerability in Lsoft Listserv, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2023-01-17.

How severe is CVE-2022-40319?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-40319 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Lsoft Listserv

CVE-2022-40319

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.072 (93.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Lsoft Listserv — versions 17.0
N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

Public proof-of-concept exploits

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-40319?: CVE-2022-40319 is a high-severity vulnerability in Lsoft Listserv, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2023-01-17.
How severe is CVE-2022-40319?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-40319 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.