CVE-2022-20779

CRITICALNVD 9.98.8▼
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-05. NVD baseline CVSS 9.9; sources differ by 1.1.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 10%CVSS: 9.9Exploit: NoneExposed: 0

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

Multiple vulnerabilities in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an attacker to escape from the guest virtual machine (VM) to the host machine, inject commands that execute at the root level, or leak system data from the host to the VM. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS v3
9.9
EG Score
8.8(medium)
EPSS
95.3%
KEV
Not listed

Published

May 4, 2022

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jul 21, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Cisco Enterprise NFV Infrastructure Software Vulnerabilities

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-MUL-7DySRX9
github Patch Available🟡 PoC Available

Cisco Enterprise NFVIS - Image registration cmdi (CVE-2022-20779) · Advisory · orangecertcc/security-research · GitHub

https://github.com/orangecertcc/security-research/security/advisories/GHSA-77vw-2pmg-q492

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 42× 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. 2026-07-21 15:22 UTCEPSS rescore
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  3. 2026-07-20 17:05 UTCEPSS rescore
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  1. 2026-07-04 06:29 UTCEPSS rescore
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  11. 2026-06-25 13:48 UTCEPSS rescore
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  17. 2026-06-22 14:24 UTCEPSS rescore
  18. 2026-06-21 14:55 UTCEPSS rescore
  19. 2026-06-21 01:58 UTCEPSS rescore
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  44. 2026-06-05 06:09 UTCEPSS rescore
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  52. 2026-05-31 22:29 UTCEPSS rescore
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  55. 2026-05-29 13:42 UTCEPSS rescore
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  58. 2026-05-27 13:39 UTCEPSS rescore
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  62. 2026-05-26 07:17 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore
  64. 2026-05-25 22:47 UTCEG score recompute
  65. 2026-05-25 22:47 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2022-20779?
CVE-2022-20779 is a critical vulnerability published on May 4, 2022. Multiple vulnerabilities in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an attacker to escape from the guest virtual machine (VM) to the host machine, inject commands that execute at the root level, or leak system data from the host to the VM. For more information about these…
When was CVE-2022-20779 disclosed?
CVE-2022-20779 was first published in the National Vulnerability Database on May 4, 2022, 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-2022-20779 actively exploited?
CVE-2022-20779 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-20779?
CVE-2022-20779 has a CVSS v3 base score of 9.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.
How do I remediate CVE-2022-20779?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-20779, 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.

Dependency Blast Radius

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