CSRF in Cisco 871 Integrated Services Router
CVE-2008-4128
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.339 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.339 · newest: 0.339 · change: -0.000
Affected products
- Cisco 871 Integrated Services Router
- Cisco iOS — versions 12.4
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
References
- www.exploit-db.com/exploits/6476 (Exploit, VDB Entry, Third Party Advisory, exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/45226 (VDB Entry, Third Party Advisory, vdb-entry)
- jbrownsec.blogspot.com/2008/09/cisco-0day-released.html (Broken Link)
- www.exploit-db.com/exploits/6477 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securityfocus.com/bid/31218 (Exploit, Third Party Advisory, VDB Entry, vdb-entry, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Product)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2008-4128?
- CVE-2008-4128 is a high-severity vulnerability in Cisco 871 Integrated Services Router, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2008-09-18.
- How severe is CVE-2008-4128?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2008-4128 known to be exploited?
- Yes. CVE-2008-4128 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-07-13), indicating it is being actively exploited.