CVE-2008-3821

mediumpriority · track · 29EPSS 0.054 · 93 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

5.45% (93rd) EPSS

CVSS 4.3 · medium

Is it mine?

286 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Multiple cross-site scripting (XSS) vulnerabilities in the HTTP server in Cisco IOS 11.0 through 12.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the ping program or (2) unspecified other aspects of the URI.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nsecondary · FSTEC (BDU) RU

v2.03.9lowAV:N/AC:M/Au:N/C:N/I:P/A:N/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-32723Cisco IOS 12.x - HTTP Server Multiple Cross-Site Scripting Vulnerabilitiesfunctional · exploit_db

affected products (286)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Cisco Systems Inc. Cisco IOS11.0 → 12.4fstec_bduRU
cisco ios= 12.0nvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0danvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0dbnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0dcnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0snvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0scnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0slnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0spnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0stnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0sxnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0synvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0sznvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0tnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0wnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0wcnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0xanvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0xbnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.0xcnvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*

showing 20 of 286

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2009-01-16modified 2026-06-16

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+53007 more

references (24)

External citations — patches, advisories, analysis.

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