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CVE-2022-20649

32
FAUCET Score

CVE-2022-20649 is a critical vulnerability in Cisco RCM for StarOS Software, allowing unauthenticated, remote attackers to achieve root-level remote code execution due to an incorrectly enabled debug mode. This vulnerability carries a CVSS score of 8.1 (HIGH) due to its network attack vector, high impact on confidentiality, integrity, and availability, despite requiring high attack complexity. While Cisco has released patches and no public exploit code is available, the vulnerability has garnered significant community attention and media coverage, indicating its potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
CiscoCisco Redundancy Configuration Manager
2021.01.0, 2021.02.0, 21.10.0, 21.10.1, 21.10.2, 21.10.3, 21.10.4, 21.10.5, 21.10.6, 21.11.0, 21.11.1, 21.11.10, 21.11.11, 21.11.12, 21.11.13, 21.11.14, 21.11.15, 21.11.16, 21.11.17, 21.11.18, 21.11.19, 21.11.2, 21.11.20, 21.11.21, 21.11.3, 21.11.4, 21.11.5, 21.11.6, 21.11.7, 21.11.8, 21.11.9, 21.12.0, 21.12.10, 21.12.11, 21.12.12, 21.12.13, 21.12.14, 21.12.15, 21.12.16, 21.12.17, 21.12.18, 21.12.19, 21.12.2, 21.12.20, 21.12.21, 21.12.22, 21.12.3, 21.12.4, 21.12.5, 21.12.6, 21.12.7, 21.12.8, 21.12.9, 21.13.0, 21.13.1, 21.13.10, 21.13.11, 21.13.12, 21.13.13, 21.13.14, 21.13.15, 21.13.16, 21.13.17, 21.13.18, 21.13.19, 21.13.2, 21.13.20, 21.13.21, 21.13.3, 21.13.4, 21.13.5, 21.13.6, 21.13.7, 21.13.8, 21.13.9, 21.14.0, 21.14.1, 21.14.10, 21.14.11, 21.14.12, 21.14.16, 21.14.17, 21.14.18, 21.14.19, 21.14.2, 21.14.20, 21.14.22, 21.14.23, 21.14.3, 21.14.4, 21.14.5, 21.14.6, 21.14.7, 21.14.8, 21.14.9, 21.14.RH0, 21.14.a0, 21.14.a5, 21.14.b12, 21.14.b13, 21.14.b14, 21.14.b15, 21.14.b16, 21.14.b17, 21.14.b18, 21.14.b19, 21.14.b20, 21.14.b21, 21.14.b22, 21.14.c2, 21.14.c3, 21.15.0, 21.15.1, 21.15.10, 21.15.11, 21.15.12, 21.15.13, 21.15.14, 21.15.15, 21.15.16, 21.15.17, 21.15.18, 21.15.19, 21.15.2, 21.15.20, 21.15.21, 21.15.22, 21.15.23, 21.15.24, 21.15.25, 21.15.26, 21.15.27, 21.15.28, 21.15.29, 21.15.3, 21.15.30, 21.15.32, 21.15.33, 21.15.36, 21.15.37, 21.15.39, 21.15.4, 21.15.40, 21.15.41, 21.15.43, 21.15.45, 21.15.46, 21.15.47, 21.15.48, 21.15.5, 21.15.51, 21.15.52, 21.15.53, 21.15.54, 21.15.55, 21.15.57, 21.15.58, 21.15.59, 21.15.6, 21.15.60, 21.15.7, 21.15.8, 21.15.9, 21.16.0, 21.16.1, 21.16.10, 21.16.2, 21.16.3, 21.16.4, 21.16.5, 21.16.6, 21.16.7, 21.16.8, 21.16.9, 21.16.c0, 21.16.c1, 21.16.c10, 21.16.c11, 21.16.c12, 21.16.c13, 21.16.c14, 21.16.c15, 21.16.c16, 21.16.c17, 21.16.c2, 21.16.c3, 21.16.c4, 21.16.c5, 21.16.c6, 21.16.c7, 21.16.c8, 21.16.c9, 21.16.d0, 21.16.d1, 21.17.0, 21.17.1, 21.17.10, 21.17.11, 21.17.13, 21.17.14, 21.17.15, 21.17.16, 21.17.17, 21.17.18, 21.17.19, 21.17.2, 21.17.3, 21.17.4, 21.17.5, 21.17.6, 21.17.7, 21.17.8, 21.17.9, 21.18.0, 21.18.1, 21.18.11, 21.18.12, 21.18.13, 21.18.14, 21.18.15, 21.18.16, 21.18.17, 21.18.18, 21.18.19, 21.18.2, 21.18.20, 21.18.21, 21.18.22, 21.18.23, 21.18.24, 21.18.3, 21.18.4, 21.18.5, 21.18.6, 21.18.7, 21.18.8, 21.18.9, 21.19.0, 21.19.1, 21.19.10, 21.19.11, 21.19.2, 21.19.3, 21.19.4, 21.19.5, 21.19.6, 21.19.7, 21.19.8, 21.19.9, 21.19.n1, 21.19.n10, 21.19.n11, 21.19.n12, 21.19.n13, 21.19.n14, 21.19.n2, 21.19.n3, 21.19.n4, 21.19.n5, 21.19.n6, 21.19.n7, 21.19.n8, 21.19.n9, 21.20.0, 21.20.1, 21.20.10, 21.20.11, 21.20.12, 21.20.13, 21.20.14, 21.20.15, 21.20.16, 21.20.17, 21.20.18, 21.20.19, 21.20.2, 21.20.20, 21.20.21, 21.20.22, 21.20.23, 21.20.24, 21.20.25, 21.20.26, 21.20.27, 21.20.28, 21.20.3, 21.20.4, 21.20.5, 21.20.6, 21.20.7, 21.20.8, 21.20.9, 21.20.SV1, 21.20.SV2, 21.20.SV3, 21.20.SV5, 21.20.UV0, 21.20.c22, 21.20.k6, 21.20.k7, 21.20.k8, 21.20.p9, 21.20.u8, 21.21.0, 21.21.1, 21.21.2, 21.21.3, 21.21.KS2, 21.22.0, 21.22.1, 21.22.10, 21.22.11, 21.22.2, 21.22.3, 21.22.4, 21.22.5, 21.22.6, 21.22.7, 21.22.8, 21.22.9, 21.22.n2, 21.22.n3, 21.22.n4, 21.22.n5, 21.22.ua0, 21.22.ua2, 21.22.ua3, 21.22.ua5, 21.22.uj3, 21.23.0, 21.23.1, 21.23.10, 21.23.11, 21.23.12, 21.23.2, 21.23.3, 21.23.4, 21.23.5, 21.23.6, 21.23.7, 21.23.8, 21.23.9, 21.23.b2, 21.23.b3, 21.23.n6, 21.23.n7, 21.24.0, 21.24.1, 21.24.2, 21.25.0, 21.25.1, 21.25.3, 21.4.0, 21.4.1, 21.4.10, 21.4.11, 21.4.12, 21.4.13, 21.4.14, 21.4.15, 21.4.16, 21.4.17, 21.4.2, 21.4.3, 21.4.4, 21.4.5, 21.4.6, 21.4.7, 21.4.8, 21.4.9, 21.5.0, 21.5.1, 21.5.10, 21.5.11, 21.5.12, 21.5.13, 21.5.14, 21.5.15, 21.5.16, 21.5.17, 21.5.19, 21.5.2, 21.5.20, 21.5.21, 21.5.22, 21.5.23, 21.5.24, 21.5.25, 21.5.26, 21.5.27, 21.5.28, 21.5.29, 21.5.3, 21.5.30, 21.5.4, 21.5.5, 21.5.6, 21.5.7, 21.5.8, 21.5.9, 21.6.0, 21.6.1, 21.6.10, 21.6.11, 21.6.12, 21.6.13, 21.6.14, 21.6.15, 21.6.2, 21.6.3, 21.6.4, 21.6.5, 21.6.6, 21.6.7, 21.6.8, 21.6.9, 21.6.b13, 21.6.b14, 21.6.b15, 21.6.b16, 21.6.b17, 21.6.b18, 21.6.b19, 21.6.b20, 21.6.b21, 21.6.b22, 21.6.b23, 21.6.b24, 21.6.b25, 21.6.b26, 21.7.0, 21.7.1, 21.7.10, 21.7.11, 21.7.12, 21.7.13, 21.7.2, 21.7.3, 21.7.4, 21.7.5, 21.7.6, 21.7.7, 21.7.8, 21.7.9, 21.8.0, 21.8.1, 21.8.10, 21.8.11, 21.8.12, 21.8.2, 21.8.3, 21.8.4, 21.8.5, 21.8.6, 21.8.7, 21.8.8, 21.8.9, 21.8.ca1, 21.9.0, 21.9.1, 21.9.10, 21.9.11, 21.9.12, 21.9.13, 21.9.2, 21.9.3, 21.9.4, 21.9.5, 21.9.6, 21.9.7, 21.9.8, 21.9.9, 5.1.15, 6.10.0, 6.11.0, 6.11.1, 6.12.0, 6.13.0, 6.13.EY1, 6.13.EY2, 6.14.0, 6.14.2, 6.2.5, 6.2.b14, 6.2.b15, 6.2.b16, 6.2.b17, 6.2.b4, 6.2.b5, 6.2.b6, 6.4.0, 6.5.0, 6.6.6, 6.6.7, 6.7.0, 6.8.1, 6.9.2, 6.9.5, 6.9.7, 6.9.8CNA affecteddefault unknown

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
11.64%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1164 is in the 77th percentile among its peer group of 8,914 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Remediation records are not available for this CVE.

References

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-rcm-vuls-7cS3Nuq
sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-tetr-cmd-injc-skrwGO
sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-xss-FmbPu2pe