CVE-2017-17311

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a DoS vulnerability in the IPSEC IKEv1 implementations of Huawei Firewall products. Due to improper handling of the malformed messages, an attacker may sent crafted packets to the affected device to exploit these vulnerabilities. Successful exploit the vulnerability could lead to device deny of service.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
63%
KEV
Not listed

Published

August 21, 2018

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× 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.

Showing the most recent 100 of 109 total refreshes for this CVE.

  1. 2026-08-20 22:50 UTCEPSS rescore
  2. 2026-08-19 16:59 UTCEPSS rescore
  3. 2026-08-18 13:43 UTCEPSS rescore
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  24. 2026-07-23 14:15 UTCEPSS rescore
  25. 2026-07-23 01:28 UTCEG score recompute
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  1. 2026-07-22 22:07 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
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  20. 2026-07-09 19:06 UTCEPSS rescore
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  47. 2026-06-18 17:50 UTCEPSS rescore
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  49. 2026-06-16 17:50 UTCEPSS rescore
  50. 2026-06-15 17:45 UTCEPSS rescore
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  53. 2026-06-13 22:57 UTCEPSS rescore
  54. 2026-06-12 23:09 UTCEPSS rescore
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  69. 2026-06-01 13:49 UTCEPSS rescore
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  71. 2026-05-31 22:28 UTCEPSS rescore
  72. 2026-05-31 00:14 UTCEPSS rescore
  73. 2026-05-29 13:41 UTCEPSS rescore
  74. 2026-05-28 13:42 UTCEPSS rescore
  75. 2026-05-28 13:42 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2017-17311?
CVE-2017-17311 is a high vulnerability published on August 21, 2018. Some Huawei Firewall products USG2205BSR V300R001C10SPC600; USG2220BSR V300R001C00; USG5120BSR V300R001C00; USG5150BSR V300R001C00 have a DoS vulnerability in the IPSEC IKEv1 implementations of Huawei Firewall products. Due to improper handling of the malformed messages, an attacker may sent…
When was CVE-2017-17311 disclosed?
CVE-2017-17311 was first published in the National Vulnerability Database on August 21, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-17311 actively exploited?
CVE-2017-17311 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 37.4% of all scored CVEs.
What is the CVSS score of CVE-2017-17311?
CVE-2017-17311 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-17311?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-17311, 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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