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CVE Record

CVE-2016-4536: The client in OpenAFS before 1.6.17 does not properly initialize the (1) AFSStoreStatus, (2) AFSStoreVolume...

The client in OpenAFS before 1.6.17 does not properly initialize the (1) AFSStoreStatus, (2) AFSStoreVolumeStatus, (3) VldbListByAttributes, and (4) ListAddrByAttributes structures, which might allow remote attackers to obtain sensitive memory information by leveraging access to RPC call traffic.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2016-4536 is an OpenAFS client memory disclosure issue fixed in OpenAFS 1.6.17. Older clients may expose sensitive memory contents to a remote party with access to relevant RPC call traffic. There is no cited evidence of active exploitation in the provided sources.

Executive priority

Prioritize remediation where OpenAFS supports sensitive file access or legacy research, academic, or enterprise infrastructure. This is not currently evidenced as actively exploited, but memory disclosure can expose credentials or sensitive data depending on runtime contents.

Technical view

OpenAFS clients before 1.6.17 did not properly initialize several structures: AFSStoreStatus, AFSStoreVolumeStatus, VldbListByAttributes, and ListAddrByAttributes. The issue could disclose sensitive client memory over RPC-related traffic. The bundle does not provide CVSS, CWE, exploit details, or affected platform packaging specifics.

Likely exposure

Exposure is most likely where legacy OpenAFS clients older than 1.6.17 remain deployed, especially in environments where untrusted parties can observe or interact with relevant RPC traffic. Modern environments without OpenAFS clients are not exposed based on the provided sources.

Exploitation context

The sources describe possible remote memory information disclosure through access to RPC call traffic. They do not cite public exploit code, confirmed exploitation, or KEV listing. Treat exploitation status as unconfirmed.

Researcher notes

The evidence supports an uninitialized-structure information disclosure in OpenAFS client RPC handling before 1.6.17. The bundle lacks CVSS, CWE, detailed attack prerequisites, and proof of exploitation. Avoid assuming server-side exposure unless local deployment data shows vulnerable client components.

Mitigation direction

  • Upgrade OpenAFS clients to version 1.6.17 or later.
  • Review the OpenAFS security advisory and 1.6.17 release notes.
  • Prioritize systems handling sensitive authentication or file access data.
  • Limit untrusted access to OpenAFS RPC traffic where feasible.

Validation and detection

  • Inventory endpoints and servers for installed OpenAFS client versions.
  • Confirm no OpenAFS client remains below version 1.6.17.
  • Check package repositories for vendor-backported fixes where version strings differ.
  • Review network exposure for OpenAFS RPC paths involving legacy clients.
Prepared
Confidence
high
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.