Buffer overflow in Flexense Vx_search

CVE-2017-15220

Flexense VX Search Enterprise 10.1.12 is vulnerable to a buffer overflow via an empty POST request to a long URI beginning with a /../ substring. This allows remote attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

EPSS: 0.071 (93.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)

Frequently asked questions

What is CVE-2017-15220?
CVE-2017-15220 is a critical-severity vulnerability in Flexense Vx_search, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-10-11.
How severe is CVE-2017-15220?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-15220 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.