How severe is CVE-2017-7977?

CVE-2017-7977 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7977?

CVE-2017-7977 affects Unicon-software Elux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7977?

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

When was CVE-2017-7977 published?

CVE-2017-7977 was published on 2017-07-19 and last updated on 2026-06-17.

CVE-2017-7977

CVE-2017-7977 is a critical-severity vulnerability in Unicon-software Elux with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Unicon-software Elux
Published: 2017-07-19
Last modified: 2026-06-17

Description

The Screensavercc component in eLux RP before 5.5.0 allows attackers to bypass intended configuration restrictions and execute arbitrary commands with root privileges by inserting commands in a local configuration dialog in the control panel.

Frequently asked questions

What is CVE-2017-7977?: The Screensavercc component in eLux RP before 5.5.0 allows attackers to bypass intended configuration restrictions and execute arbitrary commands with root privileges by inserting commands in a local configuration dialog in the control panel.
How severe is CVE-2017-7977?: CVE-2017-7977 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7977?: CVE-2017-7977 affects Unicon-software Elux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-7977 published?: CVE-2017-7977 was published on 2017-07-19 and last updated on 2026-06-17.

References

https://www.myelux.com/cvesingle.htm?cve_id=CVE-2017-7977

Affected products (1)

cpe:2.3:a:unicon-software:elux:*:*:*:*:*:*:*:*

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