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

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

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Yes, since 13 Jul 2026 (CISA KEV)
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 18 Sep 2008
- **Updated:** 24 Sep 2026
- **Also known as:** GHSA-6977-wjv6-r929

## 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 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2008-4128?

It affects 1 product.


Products: 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:

- Cisco Router - HTTP Administration Cross-Site Request Forgery / Command Execution (1) (exploitdb)

## Other vulnerabilities in Cisco Ios

- [CVE-2017-12240](https://insights.sbomify.com/CVE-2017-12240/): Cisco IOS and IOS XE Software DHCP Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2017-3881](https://insights.sbomify.com/CVE-2017-3881/): Cisco IOS and IOS XE Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2018-0167](https://insights.sbomify.com/CVE-2018-0167/): Cisco IOS, XR, and XE Software Buffer Overflow (high 8.8, exploited in the wild)
- [CVE-2017-6736](https://insights.sbomify.com/CVE-2017-6736/): Cisco IOS and IOS XE Software SNMP Remote Code Execution (high 8.8, exploited in the wild)
- [CVE-2017-6737](https://insights.sbomify.com/CVE-2017-6737/): Cisco IOS and IOS XE Software SNMP Remote Code Execution (high 8.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2008-4128 and fix it if it is affected.

What it is: 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.
Exploitation: Yes. Attackers have exploited CVE-2008-4128 in the wild since at least 13 Jul 2026.

Affected product: Cisco Ios. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2008-4128/ (Markdown: https://insights.sbomify.com/CVE-2008-4128/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2008-4128
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2008-4128
- OSV: https://osv.dev/vulnerability/CVE-2008-4128

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From sbomify Insights: https://insights.sbomify.com/CVE-2008-4128/
Summaries are generated and may contain mistakes; the official description above is the record.