CVE-2022-20648Cisco Redundancy Configuration Manager Debug Information Disclosure Vulnerability
- 5.3MediumCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A vulnerability in a debug function for Cisco RCM for Cisco StarOS Software could allow an unauthenticated, remote attacker to perform debug actions that could result in the disclosure of confidential information that should be restricted. This vulnerability exists because of a debug service that incorrectly listens to and accepts incoming connections. An attacker could exploit this vulnerability by connecting to the debug port and executing debug commands. A successful exploit could allow the attacker to view sensitive debugging information.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Timeline
ID reserved
By cisco
- 3 years later
· 3 years later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
Cisco · Cisco Redundancy Configuration Manager
- affected 2021.02.0
- affected 2021.01.0
- affected 21.19.n13
- affected 21.17.19
- affected 21.18.24
- affected 21.25.0
- affected 21.15.60
- affected 21.22.11
- affected 21.20.25
- affected 21.20.21
- affected 21.24.2
- affected 21.23.10
- affected 21.22.n5
- affected 21.15.57
- affected 21.25.1
- affected 21.18.21
- affected 21.23.1
- affected 21.19.11
- affected 21.16.c16
- affected 21.23.5
- affected 21.22.4
- affected 21.22.ua2
- affected 21.23.n6
- affected 21.17.18
- affected 21.17.17
- affected 21.21.KS2
- affected 21.20.23
- affected 21.20.15
- affected 21.20.p9
- affected 21.20.17
- affected 21.20.14
- affected 21.21.3
- affected 21.19.n9
- affected 21.23.0
- affected 21.5.30
- affected 21.22.n4
- affected 21.20.12
- affected 21.23.b2
- affected 21.20.13
- affected 21.18.22
- and 460 more
What to do
Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
References
References3
- cisco-sa-rcm-vuls-7cS3Nuq (opens in a new tab)
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-xss-FmbPu2pe (opens in a new tab)
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tetr-cmd-injc-skrwGO (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-25898 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-20648)Record last updated .