CVE-2013-5548

CVE-2013-5548 is a medium-severity vulnerability in Cisco Ios 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-264.

Key facts

Description

The IKEv2 implementation in Cisco IOS, when AES-GCM or AES-GMAC is used, allows remote attackers to bypass certain IPsec anti-replay features via IPsec tunnel traffic, aka Bug ID CSCuj47795.

Frequently asked questions

What is CVE-2013-5548?
The IKEv2 implementation in Cisco IOS, when AES-GCM or AES-GMAC is used, allows remote attackers to bypass certain IPsec anti-replay features via IPsec tunnel traffic, aka Bug ID CSCuj47795.
How severe is CVE-2013-5548?
CVE-2013-5548 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-5548 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5548?
CVE-2013-5548 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-5548?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5548 published?
CVE-2013-5548 was published on 2013-11-01 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Cisco Ios

All CVEs affecting Cisco Ios →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →