SSRF in Appspace

CVE-2021-27670

Appspace 6.2.4 allows SSRF via the api/v1/core/proxy/jsonprequest url parameter.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.613 (99.2th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-27670: held from 0.613 to 0.613.

EPSS over last 30 days · oldest: 0.613 · newest: 0.613 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-27670?
CVE-2021-27670 is a critical-severity vulnerability in Appspace, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2021-02-25.
How severe is CVE-2021-27670?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-27670 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.