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Fencer Intel
medium 5.4

CVE-2020-26063 json

Cisco Integrated Management Controller Software Authorization Bypass Vulnerability

published last yr. modified 4mo ago also EUVD-2020-18693

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

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.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 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
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected products

  • Cisco Cisco Unified Computing System (Managed)
  • cisco unified_computing_system

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.