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Fencer Intel
medium 4.3

CVE-2015-2863 json

Open redirect vulnerability in Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.29, 8.x before 8.0.0.18, 9.0 before 9.0.0.14, and…

published 2015-07-20 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-2951

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.2%
EPSS 10.2% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

Open redirect vulnerability in Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.29, 8.x before 8.0.0.18, 9.0 before 9.0.0.14, and 9.1 before 9.1.0.4 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.

Patch / fix

  • kaseya virtual_system_administrator 7.0.0.29, 8.0.0.18, 9.0.0.14, 9.1.0.4

Timeline

  1. First public exploit (EDB-37621)
  2. Published

Exploit prediction

10.25% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-37621 Kaseya Virtual System Administrator (VSA) - Multiple Vulnerabilities (1) webapps, 2015-07-15
  • Nuclei template Kaseya Virtual System Administrator - Open Redirect nuclei detection template

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.