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CVE-2023-0425

Buffer overflow in global memory region

High8.6EPSS 0.47%
Published
Updated
Reserved
Assigned by
ABB

Description

ABB is aware of vulnerabilities in the product versions listed below. An update is available that resolves the reported vulnerabilities in the product versions under maintenance. An attacker who successfully exploited one or more of these vulnerabilities could cause the product to stop or make the product inaccessible.  Numeric Range Comparison Without Minimum Check vulnerability in ABB Freelance controllers AC 700F (Controller modules), ABB Freelance controllers AC 900F (controller modules).This issue affects: Freelance controllers AC 700F:  from 9.0;0 through V9.2 SP2, through Freelance 2013, through Freelance 2013SP1, through Freelance 2016, through Freelance 2016SP1, through Freelance 2019, through Freelance 2019 SP1, through Freelance 2019 SP1 FP1;  Freelance controllers AC 900F:  Freelance 2013, through Freelance 2013SP1, through Freelance 2016, through Freelance 2016SP1, through Freelance 2019, through Freelance 2019 SP1, through Freelance 2019 SP1 FP1.

Timeline

  1. ID reserved

    By ABB

  2. · 7 months later

    Published

  3. · 16 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-0425, by who scored it
Scored byCVSSScoreVector
ABBCNA (assigner)3.1High8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.47% · top 59% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.

Weakness

Affected products

  • ABB · Freelance controllers AC 700F

    • affected 9.0;0 – ≤ V9.2 SP2
    • affected ≤ Freelance 2013
    • affected ≤ Freelance 2013SP1
    • affected ≤ Freelance 2016
    • affected ≤ Freelance 2016SP1
    • affected ≤ Freelance 2019
    • affected ≤ Freelance 2019 SP1
    • affected ≤ Freelance 2019 SP1 FP1

  • ABB · Freelance controllers AC 900F

    • affected ≤ Freelance 2013
    • affected ≤ Freelance 2013SP1
    • affected ≤ Freelance 2016
    • affected ≤ Freelance 2016SP1
    • affected ≤ Freelance 2019
    • affected ≤ Freelance 2019 SP1
    • affected ≤ Freelance 2019 SP1 FP1

What to do

Workaround: ABB has tested the following workarounds. Although these workarounds will not correct the underlying vulnerabilities, they can help block known attack vectors. CVE-2023-0425: Buffer Overflow We recommend disabling the webserver when not needed. The webserver is disabled by default from Freelance 2019 SP1 FP1 on (see Release Notes 2PAA124716-112).

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .