How severe is CVE-2017-7622?

CVE-2017-7622 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7622 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7622?

CVE-2017-7622 primarily affects Deepin Deepin Desktop Environment. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7622?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7622 published?

CVE-2017-7622 was published on 2017-04-10 and last updated on 2026-06-17.

CVE-2017-7622

CVE-2017-7622 is a high-severity vulnerability in Deepin Deepin Desktop Environment with a CVSS 3.x base score of 8.8. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Deepin Deepin Desktop Environment
Published: 2017-04-10
Last modified: 2026-06-17

Description

dde-daemon, the daemon process of DDE (Deepin Desktop Environment) 15.0 through 15.3, runs with root privileges and hardly does anything to identify the user who calls the function through D-Bus. Anybody can change the grub config, even to append some arguments to make a backdoor or privilege escalation, by calling DoWriteGrubSettings() provided by dde-daemon.

Frequently asked questions

What is CVE-2017-7622?: dde-daemon, the daemon process of DDE (Deepin Desktop Environment) 15.0 through 15.3, runs with root privileges and hardly does anything to identify the user who calls the function through D-Bus. Anybody can change the grub config, even to append some arguments to make a backdoor or privilege escalation, by calling DoWriteGrubSettings() provided by dde-daemon.
How severe is CVE-2017-7622?: CVE-2017-7622 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7622 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7622?: CVE-2017-7622 primarily affects Deepin Deepin Desktop Environment. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7622?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7622 published?: CVE-2017-7622 was published on 2017-04-10 and last updated on 2026-06-17.

References

https://github.com/kings-way/deepinhack/blob/master/dde_daemon_poc.py

Affected products (4)

cpe:2.3:a:deepin:deepin_desktop_environment:15.0:*:*:*:*:*:*:*
cpe:2.3:a:deepin:deepin_desktop_environment:15.1:*:*:*:*:*:*:*
cpe:2.3:a:deepin:deepin_desktop_environment:15.2:*:*:*:*:*:*:*
cpe:2.3:a:deepin:deepin_desktop_environment:15.3:*:*:*:*:*:*:*

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