synced 14 MIN AGO
01 Record

CVE-2021-35290

File Upload vulnerability in balerocms-src 0.8.3 allows remote attackers to run arbitrary code via rich text editor on /admin/main/mod-blog page.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

File Upload vulnerability in balerocms-src 0.8.3 allows remote attackers to run arbitrary code via rich text editor on /admin/main/mod-blog page.

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.92% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 60.2% of scored records. A rank, not a probability.
NVD base score
7.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-02-24 00:00Z3 YR AGO
Last updated
2025-03-12 13:54Z1 YR AGO
Reserved
2021-06-23
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-434Unrestricted Upload of File with Dangerous TypeBase
Data version
5.1
Document digest
f94a4f0cc1e1f58bfc3786cc581da3c8749b1552a3d2b19b2301dd6593babea2

05 Affected products

VendorProductVersionsPlatforms
balero_cms_projectbalero_cmsNot specified—

06 References