How severe is CVE-2020-11522?

CVE-2020-11522 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2020-11522 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11522?

CVE-2020-11522 primarily affects Freerdp. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11522?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11522 published?

CVE-2020-11522 was published on 2020-05-15 and last updated on 2026-06-17.

CVE-2020-11522

CVE-2020-11522 is a medium-severity vulnerability in Freerdp with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Freerdp
Published: 2020-05-15
Last modified: 2026-06-17

Description

libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.

Frequently asked questions

What is CVE-2020-11522?: libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.
How severe is CVE-2020-11522?: CVE-2020-11522 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2020-11522 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11522?: CVE-2020-11522 primarily affects Freerdp. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11522?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11522 published?: CVE-2020-11522 was published on 2020-05-15 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:-:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc0:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:freerdp:freerdp:2.0.0:rc4:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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