What is CVE-2022-31827?

CVE-2022-31827 is a critical-severity vulnerability in Monstaftp, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2022-06-09.

How severe is CVE-2022-31827?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2022-31827 known to be exploited?

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

SSRF in Monstaftp

CVE-2022-31827

MonstaFTP v2.10.3 was discovered to contain a Server-Side Request Forgery (SSRF) via the function performFetchRequest at HTTPFetcher.php.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2022-06-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.217 (97.6th percentile), scored 2026-10-04.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.217 · newest: 0.217 · change: 0.000

Affected products

Monstaftp — versions 2.10.3

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

References

github.com/zer0yu/CVE_Request/blob/master/MonstaFTP/MonstaFTP_v2_10_3_SSRF.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-31827?: CVE-2022-31827 is a critical-severity vulnerability in Monstaftp, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2022-06-09.
How severe is CVE-2022-31827?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2022-31827 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.