CVE-2010-2628

CVE-2010-2628 is a high-severity vulnerability in Strongswan with a CVSS 2.0 base score of 7.5. 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-94.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-94
• Affected product: Strongswan
• Published: 2010-08-20
• Last modified: 2026-06-16

Description

The IKE daemon in strongSwan 4.3.x before 4.3.7 and 4.4.x before 4.4.1 does not properly check the return values of snprintf calls, which allows remote attackers to execute arbitrary code via crafted (1) certificate or (2) identity data that triggers buffer overflows.

Frequently asked questions

What is CVE-2010-2628?

The IKE daemon in strongSwan 4.3.x before 4.3.7 and 4.4.x before 4.4.1 does not properly check the return values of snprintf calls, which allows remote attackers to execute arbitrary code via crafted (1) certificate or (2) identity data that triggers buffer overflows.

How severe is CVE-2010-2628?

CVE-2010-2628 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2010-2628 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2628?

CVE-2010-2628 primarily affects Strongswan. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2628?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2010-2628 published?

CVE-2010-2628 was published on 2010-08-20 and last updated on 2026-06-16.

References

• http://download.strongswan.org/patches/08_snprintf_patch/strongswan-4.3.3_snprintf.patch
• http://download.strongswan.org/patches/08_snprintf_patch/strongswan-4.3.4_snprintf.patch
• http://download.strongswan.org/patches/08_snprintf_patch/strongswan-4.3.5_snprintf.patch
• http://download.strongswan.org/patches/08_snprintf_patch/strongswan-4.3.6_snprintf.patch
• http://download.strongswan.org/patches/08_snprintf_patch/strongswan-4.4.0_snprintf.patch
• http://lists.opensuse.org/opensuse-updates/2010-08/msg00026.html
• http://secunia.com/advisories/40956
• http://trac.strongswan.org/projects/strongswan/wiki/441
• http://www.securityfocus.com/bid/42444
• http://www.securitytracker.com/id?1024338
• http://www.vupen.com/english/advisories/2010/2085
• http://www.vupen.com/english/advisories/2010/2086
• https://bugzilla.novell.com/615915
• https://lists.strongswan.org/pipermail/users/2010-August/005167.html

Affected products (8)

• cpe:2.3:a:strongswan:strongswan:4.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:strongswan:strongswan:4.4.0:*:*:*:*:*:*:*

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