How severe is CVE-2015-6845?

CVE-2015-6845 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-6845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6845?

CVE-2015-6845 affects Emc Sourceone Email Supervisor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6845?

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-2015-6845 published?

CVE-2015-6845 was published on 2015-10-18 and last updated on 2026-06-17.

CVE-2015-6845

CVE-2015-6845 is a high-severity vulnerability in Emc Sourceone Email Supervisor with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Emc Sourceone Email Supervisor
Published: 2015-10-18
Last modified: 2026-06-17

Description

EMC SourceOne Email Supervisor before 7.2 does not properly employ random values for session IDs, which makes it easier for remote attackers to obtain access by guessing an ID.

Frequently asked questions

What is CVE-2015-6845?: EMC SourceOne Email Supervisor before 7.2 does not properly employ random values for session IDs, which makes it easier for remote attackers to obtain access by guessing an ID.
How severe is CVE-2015-6845?: CVE-2015-6845 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-6845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6845?: CVE-2015-6845 affects Emc Sourceone Email Supervisor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6845?: 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-2015-6845 published?: CVE-2015-6845 was published on 2015-10-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:emc:sourceone_email_supervisor:*:*:*:*:*:*:*:*

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CVE-2015-6846 — Medium (CVSS 6.8): EMC SourceOne Email Supervisor before 7.2 uses hardcoded encryption keys, which makes it easier for attackers to obtain…
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