Is CVE-2017-15220 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2017-15220, but active exploitation has not been confirmed.

Can CVE-2017-15220 be exploited remotely?

Yes. CVE-2017-15220 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-15220?

CVE-2017-15220 has a CVSS score of 9.8 (CRITICAL).

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CRITICALPOC

CVE-2017-15220

CWE-119Published: October 11, 2017· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2017-15220 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2017-15220. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.