XSS in Rapid7 Velociraptor
CVE-2021-3619
Rapid7 Velociraptor 0.5.9 and prior is vulnerable to a post-authentication persistent cross-site scripting (XSS) issue, where an authenticated user could abuse MIME filetype sniffing to embed executable code on a malicious upload. This issue was fixed in version 0.6.0. Note that login rights to Velociraptor is nearly always reserved for trusted and verified users with IT security backgrounds.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Rapid7 Velociraptor — versions 0.5.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Velocidex/velociraptor/pull/1118 (Patch, Third Party Advisory)
- github.com/Velocidex/velociraptor/releases/tag/v0.6.0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3619?
- CVE-2021-3619 is a low-severity vulnerability in Rapid7 Velociraptor, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2021-07-22.
- How severe is CVE-2021-3619?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2021-3619 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.