CVE-2020-13533: A privilege escalation vulnerability exists in Dream Report 5 R20-2

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HIGH 7.8DOWNGRADE

CVE-2020-13533 is a high-severity flaw (CVSS 7.8) affecting dream report. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A privilege escalation vulnerability exists in Dream Report 5 R20-2. IIn the default configuration, the following registry keys, which reference binaries with weak permissions, can be abused by attackers to effectively ‘backdoor’ the installation files and escalate privileges when a new user logs in and uses the application.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-276
Published	2021-04-09
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: dreamreport

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

Am I affected?

Timeline

2021-04-09 18:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

dreamreport dream report DOWNGRADE

Affected: 5_r20-2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5_r20-2

1. Check installed version

apt-cache policy dream-report || rpm -q dream-report || dream-report --version

2. No fixed release: DOWNGRADE to a release before 5_r20-2 (Debian / Ubuntu)

apt-cache madison dream-report sudo apt install dream-report=<VERSION_BEFORE_5_r20-2> sudo apt-mark hold dream-report

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

dnf --showduplicates list dream-report sudo dnf downgrade dream-report-<VERSION_BEFORE_5_r20-2> sudo dnf versionlock add dream-report

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-2020-13533?

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

Is CVE-2020-13533 being exploited?

CVE-2020-13533 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-2020-13533 affect?

CVE-2020-13533 affects dream report. Severity is high (CVSS 7.8). A privilege escalation vulnerability exists in Dream Report 5 R20-2. IIn the default configuration, the following registry keys, which reference binaries with weak permissions, can be abused by attackers to effectively ‘backdoor’ the instal

How urgent is CVE-2020-13533?

Priority 41/100. High severity; Public exploit reference

Related CVEs

CVE-2020-13534 HIGH 7.8 DOWNGRADE A privilege escalation vulnerability exists in Dream Report 5 R20-2
CVE-2020-13532 HIGH 7.8 DOWNGRADE A privilege escalation vulnerability exists in Dream Report 5 R20-2

References

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