What is CVE-2023-37597?

CVE-2023-37597 is a high-severity vulnerability in Issabel Pbx, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2023-07-11.

How severe is CVE-2023-37597?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2023-37597 known to be exploited?

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

CSRF in Issabel Pbx

CVE-2023-37597

Cross Site Request Forgery (CSRF) vulnerability in issabel-pbx v.4.0.0-6 allows a remote attacker to cause a denial of service via the delete user grouplist function.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-07-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Issabel Pbx — versions 4.0.0-6

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

References

reference2.example.com/index.php (Broken Link)
github.com/sahiloj/CVE-2023-37597/blob/main/README.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-37597?: CVE-2023-37597 is a high-severity vulnerability in Issabel Pbx, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2023-07-11.
How severe is CVE-2023-37597?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-37597 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.