How severe is CVE-2015-9278?

CVE-2015-9278 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-2015-9278 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-9278?

CVE-2015-9278 affects Mailenable. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-9278?

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-2015-9278 published?

CVE-2015-9278 was published on 2019-01-16 and last updated on 2026-06-17.

CVE-2015-9278

CVE-2015-9278 is a critical-severity vulnerability in Mailenable 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-255.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Mailenable
Published: 2019-01-16
Last modified: 2026-06-17

Description

MailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A mishandling in AUTH.TAB after a password-change request.

Frequently asked questions

What is CVE-2015-9278?: MailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A mishandling in AUTH.TAB after a password-change request.
How severe is CVE-2015-9278?: CVE-2015-9278 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-2015-9278 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-9278?: CVE-2015-9278 affects Mailenable. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-9278?: 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-2015-9278 published?: CVE-2015-9278 was published on 2019-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mailenable:mailenable:*:*:*:*:*:*:*:*

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Other CWE-255 (Credentials Management Errors) vulnerabilities

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