CVE-2021-27693
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms...
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
- Record
CVE-2021-27693- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List No score
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
- Record
CVE-2021-27693- Updated
- 2026-11-02
EUVDEUVD-2021-14435 No score
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
- Record
EUVD-2021-14435- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vq23-39c6-74mp
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms...
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
- Record
GHSA-vq23-39c6-74mp- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
- Record
CVE-2021-27693- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27693 is a critical vulnerability (CVSS 9.8) in Publiccms, published September 2, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. No source names a fixed version.