Is CVE-2022-39320 in the CISA KEV catalog?

No. CVE-2022-39320 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-39320?

CVE-2022-39320 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-39320?

CVE-2022-39320 has an EPSS score of 0.67% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-39320?

Upgrade freerdp2 on debian 11 to 2.3.0+dfsg1-2+deb11u3 or later. Fixes are available for 22 affected products.

CVE & CISA-KEV Catalog

CVE-2022-39320

MEDIUM

5.5

CVSS v3

NVD

Description

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

freerdp2Debian

Fixed in:2.3.0+dfsg1-2+deb11u3CVE-2022-39320

Fixed in:2.9.0+dfsg1-1CVE-2022-39320

freerdpRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdpRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-debuginfoRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-debuginfoRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-debugsourceRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-debugsourceRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-develRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-develRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-libsRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-libsRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-libs-debuginfoRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp-libs-debuginfoRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

libwinprRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

libwinprRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

libwinpr-debuginfoRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

libwinpr-debuginfoRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

libwinpr-develRed Hat / RHEL

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

libwinpr-develRocky

Fixed in:2:2.2.0-10.el8RHSA-2023:2851

Fixed in:2:2.4.1-5.el9RHSA-2023:2326

freerdp2Ubuntu

Fixed in:2.2.0+dfsg1-0ubuntu0.18.04.4USN-5734-1

Fixed in:2.2.0+dfsg1-0ubuntu0.20.04.4USN-5734-1

Fixed in:2.6.1+dfsg1-3ubuntu2.3USN-5734-1

Fixed in:2.8.1+dfsg1-0ubuntu1.1USN-5734-1

libfreerdp-client2-2Ubuntu

Fixed in:2.2.0+dfsg1-0ubuntu0.18.04.4USN-5734-1

Fixed in:2.2.0+dfsg1-0ubuntu0.20.04.4USN-5734-1

Fixed in:2.6.1+dfsg1-3ubuntu2.3USN-5734-1

Fixed in:2.8.1+dfsg1-0ubuntu1.1USN-5734-1

libfreerdp-server2-2Ubuntu

Fixed in:2.2.0+dfsg1-0ubuntu0.18.04.4USN-5734-1

Fixed in:2.2.0+dfsg1-0ubuntu0.20.04.4USN-5734-1

Fixed in:2.6.1+dfsg1-3ubuntu2.3USN-5734-1

Fixed in:2.8.1+dfsg1-0ubuntu1.1USN-5734-1

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 RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.67%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Third-Party Advisory1

github.com

Other references4

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 2025-11-03.