Critical severity · published Sep 2, 2022
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
9.8
CVSS
1.1%
EPSS
No
On KEV
Description
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PU
Publiccms · Publiccms
before 4.0.202011.b · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27693
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27693
Patch
https://github.com/sanluan/PublicCMS/commit/0f4c4872914b6a71305e121a7d9a19c07cde0338
Exploit
https://github.com/sanluan/PublicCMS/issues/51
More from Publiccms
9.8
CVE-2026-3289
Sanluan PublicCMS Template Cache Generation TemplateCacheComponent.java saveMetadata path traversal
9.8
CVE-2025-25361
An arbitrary file upload vulnerability in the component /cms/CmsWebFileAdminController.java of PublicCMS v4.0.202406 allows attackers to execute arbitrary code via uploading a…
9.8
CVE-2023-46990
Deserialization of Untrusted Data in PublicCMS v.4.0.202302.e allows a remote attacker to execute arbitrary code via a crafted script to the writeReplace function
9.8
CVE-2023-34852
PublicCMS <=V4.0.202302 is vulnerable to Insecure Permissions
9.8
CVE-2020-20914
SQL Injection vulnerability found in San Luan PublicCMS v.4.0 allows a remote attacker to execute arbitrary code via the sql parameter
