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CVE-2020-4686· NVD / CVE Program· CNA ibm

IBM Spectrum Virtualize 8.3.1 could allow a remote user authenticated via LDAP to escalate their privileges and perform actions they should

IBM Spectrum Virtualize 8.3.1 could allow a remote user authenticated via LDAP to escalate their privileges and perform actions they should not have access to. IBM X-Force ID: 186678.

HighCVSS 8.1 · v3.1—No exploit No fix recorded
Published
Aug 17, 2020
Updated
Jun 16, 2026
EPSS
1.6% · 75th percentile
CWE
—
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Action score

32

Monitor

Low priority for now.

CVSS
32 / 40 · 8.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

CNA vs NVD score

NVD
8.1
CNA · ibm
6.8
1.3 point gap

CVSS:3.0/C:H/AV:N/PR:L/UI:N/I:H/S:U/AC:H/A:N/RL:O/E:U/RC:C

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
ibmspectrum virtualize
ibmflashsystem v5000 firmware
ibmflashsystem v5000
ibmflashsystem v7200 firmware
ibmflashsystem v7200
ibmflashsystem v9000 firmware
ibmflashsystem v9000
ibmflashsystem v9100 firmware
ibmflashsystem v9100
ibmflashsystem v9200 firmware
ibmflashsystem v9200
ibmsan volume controller firmware

and 9 more

Affected versions

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

  • ibm flashsystem v5000 firmware8.3.1
  • ibm flashsystem v7200 firmware8.3.1
  • ibm flashsystem v9000 firmware8.3.1
  • ibm flashsystem v9100 firmware8.3.1
  • ibm flashsystem v9200 firmware8.3.1
  • ibm san volume controller firmware8.3.1
  • ibm spectrum virtualize8.3.1
  • ibm storwize v5000 firmware8.3.1
  • ibm storwize v5000e firmware8.3.1
  • ibm storwize v5100 firmware8.3.1
  • ibm storwize v7000 firmware8.3.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (ibm). Independent of NVD's CPE analysis and usually ahead of it.

  • IBM SAN Volume Controller and Storwize Family

    • 8.3.1affected

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-38969IBM Spectrum Virtualize 8.2, 8.3, and 8.4 could allow an attacker to allow unauthorized access due to the reuse of support generated credent
    39Monitor
  • CVE-2022-43873IBM Spectrum Virtualize privilege escalation
    35Monitor
  • CVE-2021-29873IBM Flash System 900 could allow an authenticated attacker to obtain sensitive information and cause a denial of service due to a restricted
    32Monitor
  • CVE-2023-25681IBM Spectrum Virtualize security bypass
    26Monitor
  • CVE-2022-43870IBM Spectrum Virtualize information disclosure
    26Monitor
  • CVE-2023-27870IBM Spectrum Virtualize information disclosure
    23Monitor

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.

—

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

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

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