CVE-2010-3308

6.5 MEDIUM 4% exploit odds Fix listed

What it is

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might allow remote authenticated gateways to execute arbitrary code or cause a denial of service via a long cisco_banner (aka server_banner) field.

At a glance

Exploitability: Can be exploited over the network with a login. Limited direct impact.
Exploit odds: 4.0% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2010-10-05 22:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:22 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.0% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2010-10-05 22:00 UTC
Last modified: 2026-06-16 23:22 UTC
Exploit probability: 4.0% · EPSS, next 30 days
Weakness: CWE-94 · Code injection
Record status: Modified

Affected

Xelerance Openswan 2.6.26
Xelerance Openswan 2.6.27
Xelerance Openswan 2.6.28

Attack profile CVSS 2.0 · 6.5

Attack vector: Network
Complexity: Low
Authentication: Single
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2010-3308.md and follow it. Check whether this project is affected by CVE-2010-3308. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record