CVE-2017-16569: An Open URL Redirect issue exists in Zurmo 3.2.1.57987acc3018 via an http: URL in the redirectUrl parameter to

Routine

MEDIUM 4.8DOWNGRADE

CVE-2017-16569 is a medium-severity flaw (CVSS 4.8) affecting zurmo crm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An Open URL Redirect issue exists in Zurmo 3.2.1.57987acc3018 via an http: URL in the redirectUrl parameter to app/index.php/meetings/default/createMeeting.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-601
Published	2017-11-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zurmo

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

Am I affected?

Timeline

2017-11-06 08:29 UTCPublished CVE record published
2026-06-17 01:09 UTCUpdated Record last modified

zurmo zurmo crm DOWNGRADE

Affected: 3.2.1.57987acc3018

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.1.57987acc3018

1. Check installed version

apt-cache policy zurmo-crm || rpm -q zurmo-crm || zurmo-crm --version

2. No fixed release: DOWNGRADE to a release before 3.2.1.57987acc3018 (Debian / Ubuntu)

apt-cache madison zurmo-crm sudo apt install zurmo-crm=<VERSION_BEFORE_3.2.1.57987acc3018> sudo apt-mark hold zurmo-crm

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

dnf --showduplicates list zurmo-crm sudo dnf downgrade zurmo-crm-<VERSION_BEFORE_3.2.1.57987acc3018> sudo dnf versionlock add zurmo-crm

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-2017-16569?

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

Is CVE-2017-16569 being exploited?

CVE-2017-16569 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-2017-16569 affect?

CVE-2017-16569 affects zurmo crm. Severity is medium (CVSS 4.8). An Open URL Redirect issue exists in Zurmo 3.2.1.57987acc3018 via an http: URL in the redirectUrl parameter to app/index.php/meetings/default/createMeeting.

How urgent is CVE-2017-16569?

Priority 27/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-16654 MEDIUM 6.1 DOWNGRADE Zurmo 3.2.4 Stable allows XSS via app/index.php/accounts/default/details?id=2&kanbanBoard=1&openToTaskId=1.
CVE-2017-7188 MEDIUM 5.4 UPGRADE Zurmo 3.1.1 Stable allows a Cross-Site Scripting (XSS) attack with a base64-encoded SCRIPT element within a da
CVE-2017-18004 MEDIUM 5.4 DOWNGRADE Zurmo 3.2.3 allows XSS via the latitude or longitude parameter to maps/default/mapAndPoint.
CVE-2017-15039 MEDIUM 4.8 DOWNGRADE Cross-site scripting (XSS) exists in Zurmo 3.2.1.57987acc3018 via a data: URL in the redirectUrl parameter to

References

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