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CVE-2012-4817· NVD / CVE Program· CNA ibm

The NFSv4 client implementation in IBM AIX 5.3, 6.1, and 7.1, and VIOS before 2.2.1.4-FP-25 SP-02, does not properly handle GID values, whic

The NFSv4 client implementation in IBM AIX 5.3, 6.1, and 7.1, and VIOS before 2.2.1.4-FP-25 SP-02, does not properly handle GID values, which allows remote attackers to cause a denial of service via unspecified vectors.

MediumCVSS 5.0 · v2.0—No exploit No fix recorded
Published
Sep 14, 2012
Updated
Jun 16, 2026
EPSS
7.6% · 94th percentile
CWE
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Action score

22

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 7.6%

Affected systems

VendorProduct
ibmvios
ibmaix

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ibm aix5.3
  • ibm aix6.1
  • ibm aix7.1
  • ibm vios1.4.1.2
  • ibm vios1.5.1.1
  • ibm vios1.5.2.1
  • ibm vios1.5.2.6
  • ibm vios2.1.0.0
  • ibm vios2.1.2.10
  • ibm vios2.1.2.12
  • ibm vios2.1.2.13
  • ibm vios2.1.3.10
  • ibm vios2.2.0.10
  • ibm vios2.2.0.11
  • ibm vios2.2.0.12
  • ibm vios2.2.0.13
  • ibm vios2.2.1.0
  • ibm vios2.2.1.1
  • ibm vios2.2.1.3
  • ibm vios2.2.1.4

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2009-3699Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1
    59Plan
  • CVE-2026-19437Vulnerabilities in IBM AIX and PowerVM VIOS
    39Monitor
  • CVE-2026-18835Vulnerabilities in IBM AIX and PowerVM VIOS
    39Monitor
  • CVE-2026-18832Vulnerabilities in IBM AIX and PowerVM VIOS
    39Monitor
  • CVE-2026-17436Vulnerabilities in IBM AIX and PowerVM VIOS
    39Monitor
  • CVE-2026-17160Vulnerabilities in IBM AIX and PowerVM VIOS
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
None
Integrity impact
None
Availability impact
P

Weakness class (CWE)

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CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records