How severe is CVE-2018-15491?

CVE-2018-15491 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-15491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15491?

CVE-2018-15491 affects Zemana Antilogger. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15491?

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-2018-15491 published?

CVE-2018-15491 was published on 2018-08-18 and last updated on 2026-06-17.

CVE-2018-15491

CVE-2018-15491 is a high-severity vulnerability in Zemana Antilogger with a CVSS 3.x base score of 7.5. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Zemana Antilogger
Published: 2018-08-18
Last modified: 2026-06-17

Description

A vulnerability in the permission and encryption implementation of Zemana Anti-Logger 1.9.3.527 and prior (fixed in 1.9.3.602) allows an attacker to take control of the whitelisting feature (MyRules2.ini under %LOCALAPPDATA%\Zemana\ZALSDK) to permit execution of unauthorized applications (such as ones that record keystrokes).

Frequently asked questions

What is CVE-2018-15491?: A vulnerability in the permission and encryption implementation of Zemana Anti-Logger 1.9.3.527 and prior (fixed in 1.9.3.602) allows an attacker to take control of the whitelisting feature (MyRules2.ini under %LOCALAPPDATA%\Zemana\ZALSDK) to permit execution of unauthorized applications (such as ones that record keystrokes).
How severe is CVE-2018-15491?: CVE-2018-15491 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-15491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15491?: CVE-2018-15491 affects Zemana Antilogger. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15491?: 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-2018-15491 published?: CVE-2018-15491 was published on 2018-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zemana:antilogger:*:*:*:*:*:*:*:*

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