How severe is CVE-2008-4128?

CVE-2008-4128 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2008-4128 being actively exploited?

Yes. CVE-2008-4128 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-07-13, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2008-4128?

CVE-2008-4128 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4128?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

When was CVE-2008-4128 published?

CVE-2008-4128 was published on 2008-09-18 and last updated on 2026-07-14.

CVE-2008-4128

CVE-2008-4128 is a medium-severity vulnerability in Cisco Ios with a CVSS 3.x base score of 4.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-07-13). The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 9.3
EPSS exploit prediction: 33% (98th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-07-13)
Weakness: CWE-352
Affected product: Cisco Ios
Published: 2008-09-18
Last modified: 2026-07-14

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.

Frequently asked questions

What is 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.
How severe is CVE-2008-4128?: CVE-2008-4128 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2008-4128 being actively exploited?: Yes. CVE-2008-4128 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-07-13, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2008-4128?: CVE-2008-4128 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4128?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
When was CVE-2008-4128 published?: CVE-2008-4128 was published on 2008-09-18 and last updated on 2026-07-14.

References

Affected products (1)

cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*

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