SSRF in Halo
CVE-2019-19999
Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Halo — versions 1.1.3, 1.2.0
Weakness classification (CWE)
References
- github.com/halo-dev/halo/issues/419 (Exploit, Third Party Advisory)
- github.com/halo-dev/halo/issues/440 (Exploit, Third Party Advisory)
- github.com/halo-dev/halo/compare/v1.1.3-beta.2...v1.2.0-beta.1 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19999?
- CVE-2019-19999 is a high-severity vulnerability in Halo, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.2/10. Published 2019-12-26.
- How severe is CVE-2019-19999?
- High severity. CVSS v3 base score is 7.2 out of 10.