What is CVE-2021-27693?

CVE-2021-27693 is a critical-severity vulnerability in Publiccms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-09-02.

How severe is CVE-2021-27693?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SSRF in Publiccms

CVE-2021-27693

Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.009 (55.6th 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

Publiccms
N/a — versions n/a

Weakness classification (CWE)

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

References

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

Frequently asked questions

What is CVE-2021-27693?: CVE-2021-27693 is a critical-severity vulnerability in Publiccms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-09-02.
How severe is CVE-2021-27693?: Critical severity. CVSS v3 base score is 9.8 out of 10.