CVE-2017-20187

Name: CVE-2017-20187
Creator: NVD / NIST
Published: 2023-11-05T21:15:09.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2017-20187 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in Magnesium-PHP up to 0.3.0. It has been classified as problematic. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in Magnesium-PHP up to 0.3.0. It has been classified as problematic. Affected is the function formatEmailString of the file src/Magnesium/Message/Base.php. The manipulation of the argument email/name leads to injection. Upgrading to version 0.3.1 is able to address this issue. The patch is identified as 500d340e1f6421007413cc08a8383475221c2604. It is recommended to upgrade the affected component. VDB-244482 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.69%

48.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Floriangaerber	Magnesium-Php	<= 0.3.0

References

https://github.com/floriangaerber/Magnesium-PHP/commit/500d340e1f6421007413cc08a8383475221c2604Patch
https://github.com/floriangaerber/Magnesium-PHP/releases/tag/v0.3.1Release Notes
https://vuldb.com/?ctiid.244482Third Party Advisory
https://vuldb.com/?id.244482Third Party Advisory
https://github.com/floriangaerber/Magnesium-PHP/commit/500d340e1f6421007413cc08a8383475221c2604Patch
https://github.com/floriangaerber/Magnesium-PHP/releases/tag/v0.3.1Release Notes
https://vuldb.com/?ctiid.244482Third Party Advisory
https://vuldb.com/?id.244482Third Party Advisory

Timeline

Published: Nov 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-20187?

How severe is CVE-2017-20187?

CVE-2017-20187 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2017-20187?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-20187?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST