Is CVE-2015-1822 in the CISA KEV catalog?

No. CVE-2015-1822 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-1822?

CVE-2015-1822 has a CVSS v2 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2015-1822?

CVE-2015-1822 has an EPSS score of 2.96% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-1822?

Upgrade chrony on debian 11 to 1.30-2 or later.

CVE & CISA-KEV Catalog

CVE-2015-1822

MEDIUMEPSS 86th pctl

6.5

CVSS v2

NVD

Description

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.

CWE-17

How to fix

Remediation Available

chronyDebian

Fixed in:1.30-2CVE-2015-1822

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 v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.96%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

listengine.tuxfamily.org

Other references4

Related Vulnerabilities

Other CWE-17 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-0240	High	10.0	88%	-	Fix
CVE-2015-3183	Medium	5.0	73%	-	Fix
CVE-2014-9222	High	10.0	64%	-	-
CVE-2015-4620	High	7.8	38%	-	Fix
CVE-2014-9707	High	7.5	28%	-	-
CVE-2015-2526	Medium	5.0	24%	-	-

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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 2026-05-06.