CVE-2023-0977

mediumpriority · track · 26EPSS 0.006 · 50 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.64% (50th) EPSS

CVSS 6.5 · medium

Is it mine?

2 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-29

A heap-based overflow vulnerability in Trellix Agent (Windows and Linux) version 5.7.8 and earlier, allows a remote user to alter the page heap in the macmnsvc process memory block resulting in the service becoming unavailable.

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · trellixpsirt@trellix.comexploitability 0.8 · impact 5.9

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-120US

affected products (2)

Products and version ranges known to be affected.

Trellix Trellix Agent≤ 5.7.8 ≤5.7.8enisa_euvdEU
trellix agent≤ 5.7.8nvdUScpe:2.3:a:trellix:agent:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0817Trellix Agent: Mehrere SchwachstellenDeutsch2023-03-30csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Trellix Agent ausnutzen, um seine Privilegien zu erhöhen oder einen Denial of Service zu verursachen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-04-03modified 2026-06-17

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+16148 more

references (4)

External citations — patches, advisories, analysis.

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