CVE-2009-0547

CVE-2009-0547 is a medium-severity vulnerability in Evolution with a CVSS 2.0 base score of 5.0. 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-310.

Key facts

Description

Evolution 2.22.3.1 checks S/MIME signatures against a copy of the e-mail text within a signed-data blob, not the copy of the e-mail text displayed to the user, which allows remote attackers to spoof a signature by modifying the latter copy, a different vulnerability than CVE-2008-5077.

Frequently asked questions

What is CVE-2009-0547?
Evolution 2.22.3.1 checks S/MIME signatures against a copy of the e-mail text within a signed-data blob, not the copy of the e-mail text displayed to the user, which allows remote attackers to spoof a signature by modifying the latter copy, a different vulnerability than CVE-2008-5077.
How severe is CVE-2009-0547?
CVE-2009-0547 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-0547 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0547?
CVE-2009-0547 affects Evolution. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0547?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0547 published?
CVE-2009-0547 was published on 2009-02-12 and last updated on 2026-06-16.

References

Affected products (1)

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