CVE-2023-20569

MEDIUMNVD 4.77.5▲
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2023-08-08. NVD baseline CVSS 4.7; sources differ by 2.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 7%CVSS: 4.7Exploit: NoneExposed: 0

A fix is available — apply it.

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

CVSS v3
4.7
EG Score
7.5(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation7% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
93.2%
KEV
Not listed

Published

August 8, 2023

Last Modified

November 21, 2024

References (23)

Vendor Advisories for CVE-2023-20569(4)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(27)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-intel-iotg (5.15.0.1043.43) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.2.0.34.34) @ lunar2026-05-24ubuntu
ubuntulinux-tools-oem-22.04c (6.1.0.1023.24) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.86.83) @ jammy2026-05-24ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.86.96~20.04.44) @ focal2026-05-24ubuntu
ubuntulinux-tools-raspi-nolpae (5.15.0.1040.38) @ jammy2026-05-24ubuntu
ubuntulinux-tools-intel-iotg-edge (5.15.0.1043.49~20.04.33) @ focal2026-05-24ubuntu
ubuntulinux-tools-nvidia-hwe-22.04-edge (6.2.0.1011.13) @ jammy2026-05-24ubuntu
ubuntuamd64-microcode (3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm2) @ xenial2026-05-24ubuntu
redhatkernel-0:4.18.0-477.67.1.el8_82024-08-13redhat
redhatlinux-firmware-0:20191202-101.gite8a0f4c9.el8_22024-04-23redhat
redhatkernel-0:4.18.0-372.91.1.el8_62024-02-07redhat
redhatlinux-firmware-0:20201218-105.git05789708.el8_42024-01-30redhat
redhatkernel-0:5.14.0-284.48.1.el9_22024-01-25redhat
redhatlinux-firmware-0:20220209-129.el9_02024-01-25redhat
redhatlinux-firmware-0:20230310-138.el9_22024-01-25redhat
redhatkernel-rt-0:5.14.0-284.48.1.rt14.333.el9_22024-01-25redhat
redhatkernel-rt-0:4.18.0-513.11.1.rt7.313.el8_92024-01-10redhat
redhatkernel-0:4.18.0-513.11.1.el8_92024-01-10redhat
redhatlinux-firmware-0:20180911-69.2.git85c5d90.el7_62023-12-13redhat
redhatkernel-0:5.14.0-362.13.1.el9_32023-12-12redhat
redhatlinux-firmware-0:20200421-81.git78c0348.el7_92023-11-27redhat
redhatlinux-firmware-0:20220210-112.git6342082c.el8_62023-11-21redhat
redhatlinux-firmware-0:20190429-74.gitddde598.el7_72023-11-15redhat
redhatlinux-firmware-0:20230824-119.git0e048b06.el8_92023-11-14redhat
redhatlinux-firmware-0:20230814-140.el9_32023-11-07redhat
redhatlinux-firmware-0:20230404-114.git2e92a49f.el8_82023-05-16redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(21)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 110 total refreshes for this CVE.

  1. 2026-07-23 02:18 UTCEG score recompute
  2. 2026-07-22 23:05 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
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  48. 2026-06-10 00:17 UTCOSV refresh
  49. 2026-06-08 14:15 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-20569?
CVE-2023-20569 is a medium vulnerability published on August 8, 2023. A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.
When was CVE-2023-20569 disclosed?
CVE-2023-20569 was first published in the National Vulnerability Database on August 8, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-20569 actively exploited?
CVE-2023-20569 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-20569?
CVE-2023-20569 has a CVSS v3 base score of 4.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.
How do I remediate CVE-2023-20569?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20569, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-20569

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