CVE-2020-11453: Microstrategy Web 10.4 is vulnerable to Server-Side Request Forgery in the Test Web Service functionality expo

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2020-11453 is a medium-severity flaw (CVSS 5.3) affecting microstrategy web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Microstrategy Web 10.4 is vulnerable to Server-Side Request Forgery in the Test Web Service functionality exposed through the path /MicroStrategyWS/. The functionality requires no authentication and, while it is not possible to pass parameters in the SSRF request, it is still possible to exploit it to conduct port scanning. An attacker could exploit this vulnerability to enumerate the resources allocated in the network (IP addresses and services

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-918
Published	2020-04-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: microstrategy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-04-02 16:15 UTCPublished CVE record published
2026-06-17 02:50 UTCUpdated Record last modified

microstrategy microstrategy web DOWNGRADE

Affected: 10.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.4

1. Check installed version

apt-cache policy microstrategy-web || rpm -q microstrategy-web || microstrategy-web --version

2. No fixed release: DOWNGRADE to a release before 10.4 (Debian / Ubuntu)

apt-cache madison microstrategy-web sudo apt install microstrategy-web=<VERSION_BEFORE_10.4> sudo apt-mark hold microstrategy-web

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list microstrategy-web sudo dnf downgrade microstrategy-web-<VERSION_BEFORE_10.4> sudo dnf versionlock add microstrategy-web

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-11453?

microstrategy web: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-11453 being exploited?

CVE-2020-11453 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-11453 affect?

CVE-2020-11453 affects microstrategy web. Severity is medium (CVSS 5.3). Microstrategy Web 10.4 is vulnerable to Server-Side Request Forgery in the Test Web Service functionality exposed through the path /MicroStrategyWS/. The functionality requires no authentication and, while it is not possible to pass paramet

How urgent is CVE-2020-11453?

Priority 50/100. Public exploit reference; Remotely exploitable, no login, no user action

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References

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