How severe is CVE-2021-35649?

CVE-2021-35649 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2021-35649 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35649?

CVE-2021-35649 affects Oracle Secure Global Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35649?

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

When was CVE-2021-35649 published?

CVE-2021-35649 was published on 2021-10-20 and last updated on 2026-06-17.

CVE-2021-35649

CVE-2021-35649 is a medium-severity vulnerability in Oracle Secure Global Desktop with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Secure Global Desktop
Published: 2021-10-20
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Server). The supported version that is affected is 5.6. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise Oracle Secure Global Desktop. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Secure Global Desktop accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Secure Global Desktop. CVSS 3.1 Base Score 5.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L).

Frequently asked questions

What is CVE-2021-35649?: Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Server). The supported version that is affected is 5.6. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise Oracle Secure Global Desktop. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Secure Global Desktop accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Secure Global Desktop. CVSS 3.1 Base Score 5.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L).
How severe is CVE-2021-35649?: CVE-2021-35649 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2021-35649 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35649?: CVE-2021-35649 affects Oracle Secure Global Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35649?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35649 published?: CVE-2021-35649 was published on 2021-10-20 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuoct2021.html

Affected products (1)

cpe:2.3:a:oracle:secure_global_desktop:5.6:*:*:*:*:*:*:*

More vulnerabilities in Oracle Secure Global Desktop

CVE-2021-2248 — Critical (CVSS 10.0): Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Server). The supported…
CVE-2021-2177 — Critical (CVSS 10.0): Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Gateway). The supported…
CVE-2021-2447 — Critical (CVSS 9.9): Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Server). The supported…
CVE-2019-3822 — Critical (CVSS 9.8): libcurl versions from 7.36.0 to before 7.64.0 are vulnerable to a stack-based buffer overflow. The function creating an…
CVE-2017-3167 — Critical (CVSS 9.8): In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by third-party modules…
CVE-2016-3613 — Critical (CVSS 9.8): Unspecified vulnerability in the Oracle Secure Global Desktop component in Oracle Virtualization 4.63, 4.71, and 5.2…

All CVEs affecting Oracle Secure Global Desktop →