How severe is CVE-2017-15918?

CVE-2017-15918 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-15918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15918?

CVE-2017-15918 primarily affects Ignitum Sera. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-15918?

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-2017-15918 published?

CVE-2017-15918 was published on 2017-11-01 and last updated on 2026-06-17.

CVE-2017-15918

CVE-2017-15918 is a high-severity vulnerability in Ignitum Sera with a CVSS 3.x base score of 7.8. 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-522.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 2.1
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Ignitum Sera
Published: 2017-11-01
Last modified: 2026-06-17

Description

Sera 1.2 stores the user's login password in plain text in their home directory. This makes privilege escalation trivial and also exposes the user and system keychains to local attacks.

Frequently asked questions

What is CVE-2017-15918?: Sera 1.2 stores the user's login password in plain text in their home directory. This makes privilege escalation trivial and also exposes the user and system keychains to local attacks.
How severe is CVE-2017-15918?: CVE-2017-15918 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15918?: CVE-2017-15918 primarily affects Ignitum Sera. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-15918?: 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-2017-15918 published?: CVE-2017-15918 was published on 2017-11-01 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ignitum:sera:1.2:*:*:*:*:iphone_os:*:*
cpe:2.3:a:ignitum:sera:1.2:*:*:*:*:mac_os_x:*:*

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