Path Traversal in Basercms
CVE-2021-41279
BaserCMS is an open source content management system with a focus on Japanese language support. In affected versions users with upload privilege may upload crafted zip files capable of path traversal on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (75.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.001
Affected products
- Basercms
- Baserproject Basercms — versions < 4.5.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/baserproject/basercms/security/advisories/GHSA-4x2f-54wr-4hjg (Third Party Advisory)
- github.com/baserproject/basercms/commit/d8ab0a81a7bce35cc95ff7dff851a7e87a084336 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41279?
- CVE-2021-41279 is a high-severity vulnerability in Basercms, classified under Path Traversal. CVSS score: 7.7/10. Published 2021-11-26.
- How severe is CVE-2021-41279?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2021-41279 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.