CVE-2019-1651

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.9 under NVD CVSS v3. EPSS exploit probability: 4.9%, top 9% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 9.9Exploit: None knownExposed: 0

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

A vulnerability in the vContainer of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to cause a denial of service (DoS) condition and execute arbitrary code as the root user. The vulnerability is due to improper bounds checking by the vContainer. An attacker could exploit this vulnerability by sending a malicious file to an affected vContainer instance. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected vContainer, which could result in a DoS condition that the attacker could use to execute arbitrary code as the root user.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity99% × 45%
Exploitation5% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
91%
KEV
Not listed

Published

January 24, 2019

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Aug 19, 2026
No patch confirmed yet.
generic

Cisco SD-WAN Solution Buffer Overflow Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-sdwan-bo
generic

CVE-2019-1651 - PSIRT.COM

http://www.securityfocus.com/bid/106703

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 25× 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 113 total refreshes for this CVE.

  1. 2026-08-20 22:51 UTCEPSS rescore
  2. 2026-08-19 17:00 UTCEPSS rescore
  3. 2026-08-18 13:44 UTCEPSS rescore
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  24. 2026-07-23 01:41 UTCEG score recompute
  25. 2026-07-22 22:21 UTCEG score recompute▲ 1.10
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  1. 2026-07-22 14:05 UTCEPSS rescore
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  22. 2026-07-09 19:06 UTCEPSS rescore
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  24. 2026-07-07 13:43 UTCEPSS rescore
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  73. 2026-06-01 13:50 UTCEPSS rescore
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  75. 2026-05-31 22:29 UTCEPSS rescore

Frequently asked(5)

What is CVE-2019-1651?
CVE-2019-1651 is a critical vulnerability published on January 24, 2019. A vulnerability in the vContainer of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to cause a denial of service (DoS) condition and execute arbitrary code as the root user. The vulnerability is due to improper bounds checking by the vContainer. An attacker could exploit…
When was CVE-2019-1651 disclosed?
CVE-2019-1651 was first published in the National Vulnerability Database on January 24, 2019, 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-2019-1651 actively exploited?
CVE-2019-1651 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 8.7% of all scored CVEs.
What is the CVSS score of CVE-2019-1651?
CVE-2019-1651 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2019-1651?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-1651, 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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