CVE-2008-4128 Cisco IOS Cross-Site Request Forgery

Exploited in the wild High 8.1 Published Updated

Remote attackers can execute arbitrary commands on Cisco IOS routers via CSRF attacks in the HTTP administration interface.

Exploited in the wild
Since 13 Jul 2026
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2008-4128?

CVE-2008-4128 is a high-severity vulnerability in Cisco Ios, published on 18 Sep 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple cross-site request forgery (CSRF) vulnerabilities in the HTTP Administration component in Cisco IOS 12.4 on the 871 Integrated Services Router allow remote attackers to execute arbitrary commands via (1) a certain "show privilege" command to the /level/15/exec/- URI, and (2) a certain "alias exec" command to the /level/15/exec/-/configure/http URI. NOTE: some of these details are obtained from third party information.

Weakness: CWE-352

Which versions are affected by CVE-2008-4128?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2008-4128?

No fix has been published for CVE-2008-4128 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 16 Jul 2026.

Is CVE-2008-4128 being exploited?

Yes. Attackers have exploited CVE-2008-4128 in the wild since at least 13 Jul 2026.

Public exploit code: 1 Exploit-DB entry.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-6977-wjv6-r929.

Is CVE-2008-4128 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free