Is CVE-2020-14355 in the CISA KEV catalog?

No. CVE-2020-14355 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-14355?

CVE-2020-14355 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2020-14355?

CVE-2020-14355 has an EPSS score of 2.66% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-14355?

Upgrade spice on debian 11 to 0.14.3-2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-14355

MEDIUMEPSS 84th pctl

6.6

CVSS v3

NVD

Description

Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

spiceDebian

Fixed in:0.14.3-2CVE-2020-14355

libspice-server1Ubuntu

Fixed in:0.12.4-0nocelt2ubuntu1.8+esm1USN-4572-2

Fixed in:0.12.6-4ubuntu0.5USN-4572-1

Fixed in:0.14.0-1ubuntu2.5USN-4572-1

Fixed in:0.14.2-4ubuntu3.1USN-4572-1

spiceUbuntu

Fixed in:0.12.4-0nocelt2ubuntu1.8+esm1USN-4572-2

Fixed in:0.12.6-4ubuntu0.5USN-4572-1

Fixed in:0.14.0-1ubuntu2.5USN-4572-1

Fixed in:0.14.2-4ubuntu3.1USN-4572-1

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 ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

2.66%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch2

Third-Party Advisory7

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.