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.

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)

EPSS: 0.613 (99.1th percentile) — read the EPSS interpretation.

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.

Affected products

Appspace — versions 6.2.4
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.