Is CVE-2019-9942 in the CISA KEV catalog?

No. CVE-2019-9942 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-9942?

CVE-2019-9942 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2019-9942?

CVE-2019-9942 has an EPSS score of 1.41% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-9942?

Upgrade php-twig on ubuntu 16.04 to 1.23.1-1ubuntu4+esm1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-9942

LOW

3.7

CVSS v3

NVD

Description

A sandbox information disclosure exists in Twig before 1.38.0 and 2.x before 2.7.0 because, under some circumstances, it is possible to call the __toString() method on an object even if not allowed by the security policy in place.

How to fix

Remediation Available

php-twigUbuntu

Fixed in:1.23.1-1ubuntu4+esm1USN-5947-1

Fixed in:2.4.6-1ubuntu0.1~esm1USN-5947-1

Fixed in:2.12.5-1ubuntu0.1~esm1USN-5947-1

Fixed in:3.3.8-2ubuntu4+esm1USN-5947-1

twigUbuntu

Fixed in:1.23.1-1ubuntu4+esm1USN-5947-1

Fixed in:2.4.6-1ubuntu0.1~esm1USN-5947-1

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.41%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Patch2

Third-Party Advisory2

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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.