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Known Exploited Vulnerability
9.3
HIGH CVSS 2.0
CVE-2008-4128
Cisco IOS Cross-Site Request Forgery Vulnerability - [Actively Exploited]
Overview
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.

Details
INFO

Published Date :

Sept. 18, 2008, 8 p.m.

Last Modified :

July 14, 2026, 5:16 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Cisco IOS 12.4 contains multiple cross-site forgery vulnerabilities that allows 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.

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.

Known Ransomware Campaign Use:

Unknown

Notes :

https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2008-4128

Impact
Affected Products

The following products are affected by CVE-2008-4128 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco ios
2 Cisco 871_integrated_services_router
: Total Affected Vendor : 1 | Products : 2
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 HIGH [email protected]
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Public PoC/Exploit Available at Github

CVE-2008-4128 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2008-4128.

URL Resource
http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html Broken Link
http://www.securityfocus.com/bid/31218 Broken Link Exploit Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/6476 Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/6477 Exploit Third Party Advisory VDB Entry
http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html Broken Link
http://www.securityfocus.com/bid/31218 Broken Link Exploit Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/6476 Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/6477 Exploit Third Party Advisory VDB Entry
https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF Third Party Advisory US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128 US Government Resource
https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2008-4128 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2008-4128 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
BlueShield-Ch4rl13/ScriptNewsCTI

Panel de ciberamenazas que se actualiza solo: nuevas amenazas y vulnerabilidades activas cada 6 horas.

JavaScript CSS Python HTML

Updated: 3 days, 18 hours ago
0 stars 0 fork 0 watcher
Born at : Jan. 28, 2026, 12:11 a.m. This repo has been linked 9 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2008-4128 vulnerability anywhere in the article.

  • TheCyberThrone
CISA Expands KEV Catalog Again adds Zeroday Vulnerabilities

The pace of additions to the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog continues to accelerate. Between July 14 and July 15, 2026, CISA adde ... Read more

Published Date: Jul 16, 2026 (21 hours, 53 minutes ago)
  • AttackIQ
Response to CISA Advisory (AA26-194A): Improve Router Hygiene to Protect Against Russian State-Sponsored Targeting

On July 13, 2026, the Cybersecurity and Infrastructure Security Agency (CISA), in collaboration with several national and international agencies, released a joint Cybersecurity Advisory (CSA) detailin ... Read more

Published Date: Jul 15, 2026 (1 day, 19 hours ago)
  • security.nl
VS meldt misbruik van 18 jaar oud beveiligingslek in Cisco-routers

Een 18 jaar oude kwetsbaarheid in Cisco-routers is misbruikt bij aanvallen, zo waarschuwt het Amerikaanse cyberagentschap CISA. Het cross-site request forgery (CSRF)-lek in de webinterface, aangeduid ... Read more

Published Date: Jul 14, 2026 (3 days, 5 hours ago)
  • The Hacker News
U.S. Sanctions First VPN Service and Malware Cryptor Seller Over Ransomware Support

The U.S. Treasury Department's Office of Foreign Assets Control (OFAC) has designated two individuals and a VPN service provider for enabling ransomware actors' and other cybercriminals' malicious act ... Read more

Published Date: Jul 14, 2026 (3 days, 5 hours ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2008-4128 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 14, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2008-4128', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T17:45:04.532206Z'} {'id': 'CVE-2008-4128', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T00:00:00+00:00'}
  • Modified Analysis by [email protected]

    Jul. 13, 2026

    Action Type Old Value New Value
    Changed Reference Type MITRE: http://www.securityfocus.com/bid/31218 Types: Exploit, Third Party Advisory, VDB Entry MITRE: http://www.securityfocus.com/bid/31218 Types: Broken Link, Exploit, Third Party Advisory, VDB Entry
    Added Reference Type CISA-ADP: https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF Types: Third Party Advisory, US Government Resource
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128 Types: US Government Resource
    Added Reference Type CISA-ADP: https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html Types: Product
    Changed Reference Type CVE: http://www.securityfocus.com/bid/31218 Types: Exploit, Third Party Advisory, VDB Entry CVE: http://www.securityfocus.com/bid/31218 Types: Broken Link, Exploit, Third Party Advisory, VDB Entry
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jul. 13, 2026

    Action Type Old Value New Value
    Added Date Added 2026-07-13
    Added Due Date 2026-07-13
    Added Required Action 2026-07-13
    Added Vulnerability Name 2026-07-13
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 13, 2026

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128
    Changed SSVC {'id': 'CVE-2008-4128', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T13:32:36.855109Z'} {'id': 'CVE-2008-4128', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T17:45:04.532206Z'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 13, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
    Added CWE CWE-352
    Added Reference https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF
    Added Reference https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html
    Added SSVC {'id': 'CVE-2008-4128', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T13:32:36.855109Z'}
  • CVE Modified by [email protected]

    Jun. 16, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'n/a', 'product': 'n/a', 'versions': [{'status': 'affected', 'version': 'n/a'}]}]
  • Status Change by [email protected]

    Apr. 23, 2026

    Action Type Old Value New Value
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html
    Added Reference http://www.securityfocus.com/bid/31218
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/45226
    Added Reference https://www.exploit-db.com/exploits/6476
    Added Reference https://www.exploit-db.com/exploits/6477
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    May. 22, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:cisco:integrated_services_router_871:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:871_integrated_services_router:-:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    May. 23, 2022

    Action Type Old Value New Value
    Removed Evaluator Description Additional details: http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html
    Changed Reference Type http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html No Types Assigned http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html Broken Link
    Changed Reference Type http://www.securityfocus.com/bid/31218 Exploit http://www.securityfocus.com/bid/31218 Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/6476 No Types Assigned https://www.exploit-db.com/exploits/6476 Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/6477 No Types Assigned https://www.exploit-db.com/exploits/6477 Exploit, Third Party Advisory, VDB Entry
    Changed CPE Configuration AND OR *cpe:2.3:h:cisco:ios:12.4:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:-871_integrated_services_router:*:*:*:*:*:*:*:* AND OR *cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:integrated_services_router_871:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://www.milw0rm.com/exploits/6476 [Exploit]
    Removed Reference http://www.milw0rm.com/exploits/6477 [Exploit]
    Added Reference https://www.exploit-db.com/exploits/6477 [No Types Assigned]
    Added Reference https://www.exploit-db.com/exploits/6476 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 08, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/45226 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 19, 2008

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 4.3
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 9.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
EPSS
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

23.86 }} 11.82%

score

0.97565

percentile