CVE-2012-4680: Directory traversal vulnerability in the XML Server in IOServer before 1.0.19.0, when the Root Directory pathn
CVE-2012-4680 is a medium-severity flaw (CVSS 4.3) affecting ioserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Directory traversal vulnerability in the XML Server in IOServer before 1.0.19.0, when the Root Directory pathname lacks a trailing \ (backslash) character, allows remote attackers to read arbitrary files or list arbitrary directories via a .. (dot dot) in a URI.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 2.7% (top 14%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2012-08-27 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: IOServer 1.0.18.0 - Directory Traversal
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2012-4680?
ioserver: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2012-4680 being exploited?
CVE-2012-4680 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2012-4680 affect?
CVE-2012-4680 affects ioserver. Severity is medium (CVSS 4.3). Directory traversal vulnerability in the XML Server in IOServer before 1.0.19.0, when the Root Directory pathname lacks a trailing \ (backslash) character, allows remote attackers to read arbitrary files or list arbitrary directories via a
How urgent is CVE-2012-4680?
Priority 42/100. Public exploit reference
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