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CVE-2022-20779

33
FAUCET Score

CVE-2022-20779 describes multiple critical vulnerabilities in Cisco Enterprise NFV Infrastructure Software (NFVIS) that allow attackers to escape guest virtual machines to the host, execute root-level commands, or leak host system data. With a CVSS score of 8.8 (HIGH), these vulnerabilities are remotely exploitable with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, exploit code availability, or KEV listing, the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.7.1CPE matchmatch criteria
cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.9CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
10.46%
Probability of exploitation in next 30 days
EPSS Percentile
95.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1046 is in the 95th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

github.com / orangecertcc/security-research/security/advisories/GHSA-77vw-2pmg-q492
ExploitThird Party Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-MUL-7DySRX9
Vendor Advisory