How severe is CVE-2010-4685?

CVE-2010-4685 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2010-4685 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4685?

CVE-2010-4685 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4685?

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

When was CVE-2010-4685 published?

CVE-2010-4685 was published on 2011-01-07 and last updated on 2026-06-16.

CVE-2010-4685

CVE-2010-4685 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 4.0. 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-295.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Cisco Ios
Published: 2011-01-07
Last modified: 2026-06-16

Description

Cisco IOS before 15.0(1)XA1 does not clear the public key cache upon a change to a certificate map, which allows remote authenticated users to bypass a certificate ban by connecting with a banned certificate that had previously been valid, aka Bug ID CSCta79031.

Frequently asked questions

What is CVE-2010-4685?: Cisco IOS before 15.0(1)XA1 does not clear the public key cache upon a change to a certificate map, which allows remote authenticated users to bypass a certificate ban by connecting with a banned certificate that had previously been valid, aka Bug ID CSCta79031.
How severe is CVE-2010-4685?: CVE-2010-4685 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2010-4685 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4685?: CVE-2010-4685 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4685?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4685 published?: CVE-2010-4685 was published on 2011-01-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*

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