CVE-2020-2605

Low-privilege filesystem modification and system crash

Published Jan 15, 2020 · Updated Sep 30, 2024

Filesystem vulnerability in Oracle Solaris 11 allows local users to modify critical data and cause a system hang or repeatable crash. Oracle identifies the affected component only as Filesystem and has not published the faulty operation or input that triggers it. Exploitation requires a low-privileged local account with logon access; successful attacks can create, delete, or modify critical data and hang or repeatedly crash the host.

CVSS severity7.1
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Filesystem vulnerability in Oracle Solaris 11 allows local users to modify critical data and cause a system hang or repeatable crash. Oracle identifies the affected component only as Filesystem and has not published the faulty operation or input that triggers it. Exploitation requires a low-privileged local account with logon access; successful attacks can create, delete, or modify critical data and hang or repeatedly crash the host.

The record

CVE
CVE-2020-2605
Published
Jan 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle
Product
Oracle Solaris
Classifications
T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 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?

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  1. Affected versionversion=11

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Oracle · Oracle Solarisversion=11

Published CVSS scores

3.6NIST NVDAV:L/AC:L/Au:N/C:N/I:P/A:P
7.1OracleCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

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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