CVE-2021-35549

Local data modification and partial service interruption

Published Oct 20, 2021 · Updated Sep 25, 2024

A Utility flaw in Oracle Solaris 11 allows local users to modify accessible data and partially interrupt service after user interaction. Oracle identifies only the Utility component and has not published the affected program, input, or incorrect operation. Exploitation requires a low-privileged login and interaction by a person other than the attacker; impact is limited to some data and partial service disruption.

CVSS severity3.9
Low
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A Utility flaw in Oracle Solaris 11 allows local users to modify accessible data and partially interrupt service after user interaction. Oracle identifies only the Utility component and has not published the affected program, input, or incorrect operation. Exploitation requires a low-privileged login and interaction by a person other than the attacker; impact is limited to some data and partial service disruption.

The record

CVE
CVE-2021-35549
Published
Oct 20, 2021
Updated
Sep 25, 2024
Vendor
Oracle
Product
Oracle Solaris
Classifications
T1499, T1565
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=11

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Oracle · Oracle Solarisversion=11

Published CVSS scores

3.9OracleCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
3.3NIST NVDAV:L/AC:M/Au:N/C:N/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service
T1565Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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