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CVE-2019-1935

Affected software3 products, listed below
Severity9.8 Critical CVSS 3.1 3 scores
WeaknessHard-coded credentials (CWE-798)
Published21 Aug 2019
Updated17 Jun 2026

Description

A vulnerability in Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to log in to the CLI of an affected system by using the SCP User account (scpuser), which has default user credentials. The vulnerability is due to the presence of a documented default account with an undocumented default password and incorrect permission settings for that account. Changing the default password for this account is not enforced during the installation of the product. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the scpuser account. This includes full read and write access to the system's database.

Exploitation status

Working exploit published

A reviewed exploit catalogue lists ready-to-run exploit code for this CVE.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC 2 indexed Published artifacts you can open, in Exploit-DB, Metasploit; first seen 2019-09-03.
  • EPSS 83% chance in 30 days A model's forecast, not a report of exploitation. Higher than 99.7% of all scored CVEs.
IndexArtifactStarsFirst seen
Exploit-DB Cisco UCS Director - default scpuser password (Metasploit) 2019-09-03
Metasploit Cisco UCS Director default scpuser password (excellent rank)

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (cisco/integrated_management_controller_supervisor, cisco/ucs_director). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

CVSS

9.8 CRITICAL v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD Primary published
CVSS 3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H psirt@cisco.com Secondary
CVSS 2.0 10.0 none AV:N/AC:L/Au:N/C:C/I:C/A:C NVD Primary

Affected software and releases

Products and versions

3 products, 14 version entries
SourceVendorProductSchemeAffected versions
nvd cisco integrated management controller supervisor generic 2.1.0.0 · ≥ 2.2.0.0 and ≤ 2.2.0.6
nvd cisco ucs director generic 6.0.0.0 · 6.5.0.0 · 6.6.0.0 · 6.6.1.0 · 6.7.0.0 · 6.7\(0.0.67265\) · 6.7.1.0
nvd cisco ucs director express for big data generic 3.0.0.0 · 3.5.0.0 · 3.6.0.0 · 3.7.0.0 · 3.7.1.0

References

URLTags
http://packetstormsecurity.com/files/154239/Cisco-UCS-IMC-Supervisor-Authentication-Bypass-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/154305/Cisco-UCS-Director-Default-scpuser-Password.html Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Aug/36 Mailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/Aug/49 Exploit, Mailing List, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imcs-usercred Vendor Advisory

Timeline

Published2019-08-21By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.