CVE-2019-7855

MEDIUMNVD 5.35.3—

5.3

A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 41.9%
KEV: Not listed

Published

August 2, 2019

Last Modified

November 21, 2024

References (2)

psirt@adobehttps://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23
af854a3a-2127-422b-91ae-364da2661108https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
magento/community-edition	2.3.0, 2.3.1	2.3.2	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 16:24 UTCEG score recompute
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-7855?

CVE-2019-7855 is a medium vulnerability published on August 2, 2019. A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.

When was CVE-2019-7855 disclosed?

CVE-2019-7855 was first published in the National Vulnerability Database on August 2, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-7855 actively exploited?

CVE-2019-7855 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-7855?

CVE-2019-7855 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2019-7855?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-7855, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-7855

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