CVE-2017-9979

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 3%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, if the REST call invoked does not exist, an error will be triggered containing the invalid method previously invoked. The response sent to the user isn't sanitized in this case. An attacker can leverage this issue by including arbitrary HTML or JavaScript code as a parameter, aka XSS.

CVSS v3
6.1
EG Score
6.1(medium)
EPSS
83.2%
KEV
Not listed

Published

August 28, 2017

Last Modified

May 13, 2026

References (8)

Data Freshness Timeline

(refreshed 12× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 13:42 UTCEPSS rescore
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  53. 2026-05-22 10:22 UTCEG score recompute
  54. 2026-05-22 10:22 UTCGHSA enrichment
  55. 2026-05-21 22:40 UTCEPSS rescore
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  57. 2026-05-20 23:36 UTCOSV refresh
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-42517
    First seen Aug 18, 2017

    QuantaStor Software Defined Storage < 4.3.1 - Multiple Vulnerabilities

    Open source ↗

Frequently asked(5)

What is CVE-2017-9979?
CVE-2017-9979 is a medium vulnerability published on August 28, 2017. On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, if the REST call invoked does not exist, an error will be triggered containing the invalid method previously invoked. The response sent to the user isn't sanitized in this case. An attacker can leverage this issue by including arbitrary…
When was CVE-2017-9979 disclosed?
CVE-2017-9979 was first published in the National Vulnerability Database on August 28, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-9979 actively exploited?
CVE-2017-9979 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-9979?
CVE-2017-9979 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2017-9979?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-9979, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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