HOMEVULNERABILITIESCVE-2019-4521
CRITICAL

CVE-2019-4521

CWE-1236Published: December 10, 2019· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Platform System Manager in IBM Cloud Pak System 2.3 is potentially vulnerable to CVS Injection. A remote attacker could execute arbitrary commands on the system, caused by improper validation of csv file contents. IBM X-Force ID: 165179.

NVD Source

Technical Analysis

CVE-2019-4521 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

IBM1 product(s)
cloud pak system
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/165179
ADVISORYhttps://www.ibm.com/support/pages/node/1126605
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/165179
ADVISORYhttps://www.ibm.com/support/pages/node/1126605

All References (4)

→
https://exchange.xforce.ibmcloud.com/vulnerabilities/165179VDB Entry · Vendor Advisory
→
https://www.ibm.com/support/pages/node/1126605Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/165179VDB Entry · Vendor Advisory
→
https://www.ibm.com/support/pages/node/1126605Vendor Advisory

Quick Facts

CVE IDCVE-2019-4521
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-1236
CISA KEVNo
Affected1 vendor(s)
PublishedDec 10, 2019

Related CVEs (CWE-1236)

CVE-2022-46802
9.8
CVE-2023-22719
9.8
CVE-2023-4006
9.8
CVE-2022-45357
9.8
CVE-2020-10131
9.8
CVE-2023-23796
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-4521 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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