CVE-2008-4128

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-07-13. Federal remediation due 2026-07-16.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

33.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.3% of scored records. A rank, not a probability.

NVD base score

4.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-14.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2008-09-18 20:00Z17 YR AGO

Last updated

2026-07-14 03:55Z1 MO AGO

Reserved

2008-09-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.2

Document digest

6cd0e865936775fbfbb506993041cdf6c28b5b5546ba74c5c081809c0da35d94

• www.exploit-db.com6476https://www.exploit-db.com/exploits/6476exploitx_refsource_EXPLOIT-DB
• exchange.xforce.ibmcloud.comcisco-router-csrf(45226)https://exchange.xforce.ibmcloud.com/vulnerabilities/45226vdb-entryx_refsource_XF
• jbrownsec.blogspot.comhttp://jbrownsec.blogspot.com/2008/09/cisco-0day-released.htmlx_refsource_MISC
• www.exploit-db.com6477https://www.exploit-db.com/exploits/6477exploitx_refsource_EXPLOIT-DB
• www.securityfocus.com31218http://www.securityfocus.com/bid/31218vdb-entryx_refsource_BID
• media.defense.govhttps://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDFthird-party-advisory
• www.cisco.comhttps://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.htmlmitigation
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128government-resource