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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.072 (94.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.072 · newest: 0.072 · change: 0.000
Affected products
- Lsoft Listserv — versions 17.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- peach.ease.lsoft.com/scripts/wa-PEACH.exe (Vendor Advisory)
- packetstormsecurity.com/2301-exploits/listserv17-idor.txt (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.