Is CVE-2020-11040 in the CISA KEV catalog?

No. CVE-2020-11040 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-11040?

CVE-2020-11040 has a CVSS v3 base score of 2.2 (LOW).

What is the EPSS score for CVE-2020-11040?

CVE-2020-11040 has an EPSS score of 1.61% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-11040?

Upgrade freerdp2 on debian 11 to 2.1.1+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-11040

LOWEPSS 73th pctl

2.2

CVSS v3

NVD

Description

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound data read from memory in clear_decompress_subcode_rlex, visualized on screen as color. This has been patched in 2.1.0.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

freerdp2Debian

Fixed in:2.1.1+dfsg1-1CVE-2020-11040

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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.61%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Third-Party Advisory3

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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.