How severe is CVE-2012-3458?

CVE-2012-3458 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-3458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3458?

CVE-2012-3458 affects Python Beaker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-3458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3458 published?

CVE-2012-3458 was published on 2012-09-15 and last updated on 2026-06-16.

CVE-2012-3458

CVE-2012-3458 is a medium-severity vulnerability in Python Beaker 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

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Python Beaker
Published: 2012-09-15
Last modified: 2026-06-16

Description

Beaker before 1.6.4, when using PyCrypto to encrypt sessions, uses AES in ECB cipher mode, which might allow remote attackers to obtain portions of sensitive session data via unspecified vectors.

Frequently asked questions

What is CVE-2012-3458?: Beaker before 1.6.4, when using PyCrypto to encrypt sessions, uses AES in ECB cipher mode, which might allow remote attackers to obtain portions of sensitive session data via unspecified vectors.
How severe is CVE-2012-3458?: CVE-2012-3458 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-3458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3458?: CVE-2012-3458 affects Python Beaker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-3458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3458 published?: CVE-2012-3458 was published on 2012-09-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:python:beaker:*:*:*:*:*:*:*:*

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