CVE-2009-0053

CVE-2009-0053 is a medium-severity vulnerability in Cisco Ironport Encryption Appliance with a CVSS 2.0 base score of 4.3. 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

PXE Encryption in Cisco IronPort Encryption Appliance 6.2.4 before 6.2.4.1.1, 6.2.5, 6.2.6, 6.2.7 before 6.2.7.7, 6.3 before 6.3.0.4, and 6.5 before 6.5.0.2; and Cisco IronPort PostX 6.2.1 before 6.2.1.1 and 6.2.2 before 6.2.2.3; allows remote attackers to obtain the decryption key via unspecified vectors, related to a "logic error."

Frequently asked questions

What is CVE-2009-0053?
PXE Encryption in Cisco IronPort Encryption Appliance 6.2.4 before 6.2.4.1.1, 6.2.5, 6.2.6, 6.2.7 before 6.2.7.7, 6.3 before 6.3.0.4, and 6.5 before 6.5.0.2; and Cisco IronPort PostX 6.2.1 before 6.2.1.1 and 6.2.2 before 6.2.2.3; allows remote attackers to obtain the decryption key via unspecified vectors, related to a "logic error."
How severe is CVE-2009-0053?
CVE-2009-0053 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-0053 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0053?
CVE-2009-0053 primarily affects Cisco Ironport Encryption Appliance. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0053?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0053 published?
CVE-2009-0053 was published on 2009-01-16 and last updated on 2026-06-16.

References

Affected products (21)

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