Vulnerability in Go Cors Project
CVE-2018-20744
The Olivier Poitrey Go CORS handler through 1.3.0 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/106834 (Third Party Advisory, vdb-entry)
- github.com/rs/cors/issues/55 (Third Party Advisory, Issue Tracking)
- www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20744?
- CVE-2018-20744 is a medium-severity vulnerability in Go Cors Project, classified under Origin Validation Error. CVSS score: 5.9/10. Published 2019-01-28.
- How severe is CVE-2018-20744?
- Medium severity. CVSS v3 base score is 5.9 out of 10.