CVE-2020-26063
Cisco Integrated Management Controller Software Authorization Bypass Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
A vulnerability in the API endpoints of Cisco Integrated Management Controller could allow an authenticated, remote attacker to bypass authorization and take actions on a vulnerable system without authorization. The vulnerability is due to improper authorization checks on API endpoints. An attacker could exploit this vulnerability by sending malicious requests to an API endpoint. An exploit could allow the attacker to download files from or modify limited configuration options on the affected system.There are no workarounds that address this vulnerability.
Timeline
ID reserved
By cisco
- 4 years later
· 4 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 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/RL:X/RC:X/E:X |
| NVDNVD · Deferred | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.62% · top 50% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
Cisco · Cisco Unified Computing System (Managed)
- affected 4.0(1a)
- affected 3.2(3n)
- affected 4.1(1a)
- affected 4.1(1b)
- affected 4.0(4h)
- affected 4.1(1c)
- affected 3.2(3k)
- affected 3.2(2c)
- affected 4.0(4e)
- affected 4.0(4g)
- affected 3.2(3i)
- affected 4.0(2e)
- affected 3.2(3g)
- affected 4.0(4a)
- affected 4.0(2d)
- affected 3.2(2d)
- affected 4.0(1b)
- affected 4.0(4f)
- affected 3.2(3h)
- affected 3.2(2f)
- affected 4.0(4c)
- affected 3.2(3a)
- affected 4.0(1c)
- affected 3.2(3d)
- affected 3.2(2b)
- affected 4.0(4b)
- affected 3.2(2e)
- affected 4.0(2b)
- affected 4.0(4d)
- affected 3.2(1d)
- affected 3.2(3e)
- affected 3.2(3l)
- affected 3.2(3b)
- affected 4.0(2a)
- affected 3.2(3j)
- affected 4.0(1d)
- affected 3.2(3o)
- affected 4.0(4i)
- affected 4.1(1d)
- affected 4.1(2a)
- and 3 more
What to do
Exploitation: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
References (4)
- cisco-sa-cimc-auth-zWkppJxL (opens in a new tab)
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns (opens in a new tab)
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-teams-xss-zLW9tD3 (opens in a new tab)
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanx3-vrZbOqqD (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)
- 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://trackcve.app/cve/CVE-2020-26063)Record last updated .