How severe is CVE-2017-15220?

CVE-2017-15220 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-15220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15220?

CVE-2017-15220 affects Flexense Vx Search. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15220?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-15220 published?

CVE-2017-15220 was published on 2017-10-11 and last updated on 2026-06-17.

CVE-2017-15220

CVE-2017-15220 is a critical-severity vulnerability in Flexense Vx Search with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Flexense Vx Search
Published: 2017-10-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-15220?: CVE-2017-15220 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15220?: CVE-2017-15220 affects Flexense Vx Search. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-15220 published?: CVE-2017-15220 was published on 2017-10-11 and last updated on 2026-06-17.

References

https://www.exploit-db.com/exploits/42973/

Affected products (1)

cpe:2.3:a:flexense:vx_search:10.1.12:*:*:*:enterprise:*:*:*

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