CVE-2020-0548: intel celeron_3855u_firmware Improper Resource Shutdown or Release
Vulnerability summary
CVE-2020-0548 is a medium (CVSS 5.5) Improper Resource Shutdown or Release vulnerability in intel celeron_3855u_firmware. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 44.2% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 35 · Related 11Timeline
- 28-01-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.52% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Intel197 products
- celeron_3855u_firmwarena
- celeron_3865u_firmwarena
- celeron_3955u_firmwarena
- celeron_3965u_firmwarena
- celeron_3965y_firmwarena
Alpine1 product
- intel-ucode< 20200609-r0
Debian1 product
- intel-microcode< 3.20200609.1
Ubuntu1 product
- intel-microcode< 3.20200609.0ubuntu0.14.04.0 | < 3.20200609.0ubuntu0.16.04.0 | < 3.20200609.0ubuntu0.18.04.0 | < 3.20200609.0ubuntu0.20.04.0
4 vendors · 200 products · Showing 200 of 431
References
14 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00329.htmlX Refsource CONFIRMREPORTVendor Advisory
