CVE-2022-20777: cisco cisco enterprise nfv infrastructure software Improper Access Control
Vulnerability summary
CVE-2022-20777 is a critical (CVSS 9.9) Improper Access Control vulnerability in cisco cisco enterprise nfv infrastructure software. EPSS estimates a 11.07% chance of exploitation in the next 30 days, higher than 95.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 04-05-2022PublishedVulnerability first disclosed.
- 06-11-2024Last modifiedVulnerability information updated.
Description
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 metrics
3 scores · 2 sources · 2 versions- NVDNIST9.9CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
11.07%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 11.07% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundSecurity Research
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Cisco2 products
1 vendor · 2 products
References
2 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-MUL-7DySRX9Vendor AdvisoryX Refsource CISCO
- github.com/orangecertcc/security-research/security/advisories/GHSA-v56f-9gq3-rx3gX Refsource MISCExploitMitigationThird Party Advisory