XSS in Leostream Connection Broker
CVE-2021-38157
LeoStream Connection Broker 9.x before 9.0.34.3 allows Unauthenticated Reflected XSS via the /index.pl user parameter. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Leostream Connection_broker
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-38157?
- CVE-2021-38157 is a medium-severity vulnerability in Leostream Connection Broker, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-06.
- How severe is CVE-2021-38157?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-38157 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.