CVE-2020-15487: Re:Desk 2.3 contains a blind unauthenticated SQL injection vulnerability in the getBaseCriteria() function in

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-15487 is a critical-severity flaw (CVSS 9.8) affecting re\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Re:Desk 2.3 contains a blind unauthenticated SQL injection vulnerability in the getBaseCriteria() function in the protected/models/Ticket.php file. By modifying the folder GET parameter, it is possible to execute arbitrary SQL statements via a crafted URL. Unauthenticated remote command execution is possible by using this SQL injection to update certain database values, which are then executed by a bizRule eval() function in the yii/framework/web

Why this priority

Critical severity
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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-09-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: re-desk

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

Am I affected?

Timeline

2020-09-30 18:15 UTCPublished CVE record published
2026-06-17 02:56 UTCUpdated Record last modified

re-desk re\ DOWNGRADE

Affected: desk 2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before desk

1. Check installed version

apt-cache policy re || rpm -q re || re --version

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

apt-cache madison re sudo apt install re=<VERSION_BEFORE_desk> sudo apt-mark hold re

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

dnf --showduplicates list re sudo dnf downgrade re-<VERSION_BEFORE_desk> sudo dnf versionlock add re

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-2020-15487?

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

Is CVE-2020-15487 being exploited?

CVE-2020-15487 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-2020-15487 affect?

CVE-2020-15487 affects re\. Severity is critical (CVSS 9.8). Re:Desk 2.3 contains a blind unauthenticated SQL injection vulnerability in the getBaseCriteria() function in the protected/models/Ticket.php file. By modifying the folder GET parameter, it is possible to execute arbitrary SQL statements vi

How urgent is CVE-2020-15487?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

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References

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