CVE-2019-7855

Q: How do I fix CVE-2019-7855?

Upgrade magento to 2.3.2 or later.

Q: Is CVE-2019-7855 being actively exploited?

Not that we know of. CVE-2019-7855 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.97% is the estimated probability that it will be exploited in the next 30 days. That is higher than 59% of all scored CVEs.

Q: How severe is CVE-2019-7855?

CVE-2019-7855 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2019-7855 affect?

Published advisories record a fix for magento (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

5.3

CVSS v3

NVD

Description

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.

CWE-338

How to fix

Remediation Available

magentoNVD

Affected:>= 2.3.0, < 2.3.2Fixed in:2.3.2CVE-2019-7855derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.97%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory1

magento.com

Related Vulnerabilities

Other CWE-338 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2008-0166	High	7.5	71%	-	Fix
CVE-2009-2367	Critical	9.8	23%	-	-
CVE-2024-29868	Critical	9.1	6.0%	-	-
CVE-2024-31497	Medium	5.9	5.8%	-	Fix
CVE-2021-43799	High	8.6	5.4%	-	Fix
CVE-2008-3280	Medium	5.9	4.0%	-	-

Common questions

How do I fix CVE-2019-7855?

Upgrade magento to 2.3.2 or later.

Is CVE-2019-7855 being actively exploited?

Not that we know of. CVE-2019-7855 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.97% is the estimated probability that it will be exploited in the next 30 days. That is higher than 59% of all scored CVEs.

How severe is CVE-2019-7855?

CVE-2019-7855 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-7855 affect?

Published advisories record a fix for magento (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.