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Fencer Intel
critical 9.8

CVE-2019-1938 json

Cisco UCS Director and Cisco UCS Director Express for Big Data API Authentication Bypass Vulnerability

published 7y ago modified 4mo ago also EUVD-2019-10495

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

A vulnerability in the web-based management interface of Cisco UCS Director and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrator privileges on an affected system. The vulnerability is due to improper authentication request handling. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow an unprivileged attacker to access and execute arbitrary actions through certain APIs.

Patch / fix

  • Cisco Cisco Unified Computing System Director 6.7.3.0

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

4.57% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Cisco Cisco Unified Computing System Director

Classification

Weakness

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.