CVE-2023-20507
No known exploitation. EPSS puts it in the 4th percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
An integer overflow in the ASP could allow a privileged attacker to perform an out-of-bounds write, potentially resulting in loss of data integrity.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 4th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 0 days, from the signal feeds we watch.
- Publishedweakness classified, att&ck mapped, record updated
Affected products
- AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 7000 Series Desktop ProcessorsHardware Firmware
- AMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 8000 Series Processor with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 5000 Series Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 7020 Series Processors with Radeon™ GraphicsHardware Firmware
And 7 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Scored 2.3 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required HighRequires admin or elevated privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity LowData modification is possible but limited in scope or consequence
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationmedium confidence
Sources
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