Is CVE-2015-20109 in the CISA KEV catalog?

No. CVE-2015-20109 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-20109?

CVE-2015-20109 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2015-20109?

CVE-2015-20109 has an EPSS score of 0.32% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-20109?

Upgrade glibc on debian 11 to 2.22-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2015-20109

MEDIUM

5.5

CVSS v3

NVD

Description

end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

glibcDebian

Fixed in:2.22-1CVE-2015-20109

eglibcUbuntu

Fixed in:2.19-0ubuntu6.15+esm3USN-6762-1

glibcUbuntu

Fixed in:2.23-0ubuntu11.3+esm6USN-6762-1

Fixed in:2.27-3ubuntu1.6+esm2USN-6762-1

libc6Ubuntu

Fixed in:2.19-0ubuntu6.15+esm3USN-6762-1

Fixed in:2.23-0ubuntu11.3+esm6USN-6762-1

Fixed in:2.27-3ubuntu1.6+esm2USN-6762-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.32%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Exploit1

sourceware.org

Other references1

security.netapp.com

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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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.