Is CVE-2019-15523 in the CISA KEV catalog?

No. CVE-2019-15523 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-15523?

CVE-2019-15523 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-15523?

CVE-2019-15523 has an EPSS score of 1.31% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-15523?

Upgrade csync2 on debian 11 to 2.0-25-gc0faaf9-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-15523

MEDIUM

5.3

CVSS v3

NVD

Description

An issue was discovered in LINBIT csync2 through 2.0. It does not correctly check for the return value GNUTLS_E_WARNING_ALERT_RECEIVED of the gnutls_handshake() function. It neglects to call this function again, as required by the design of the API.

CWE-252

How to fix

Remediation Available

csync2Debian

Fixed in:2.0-25-gc0faaf9-1CVE-2019-15523

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

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.31%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

lists.debian.org

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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.