CVE-2020-25651: debian debian_linux Race Condition
Vulnerability summary
CVE-2020-25651 is a medium (CVSS 6.4) Race Condition vulnerability in debian debian_linux. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.2% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 26-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or in parts in the client connection of an illegitimate local user in the VM system. Active file transfers from other users could also be interrupted, resulting in a denial of service. The highest threat from this vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent versions 0.20 and prior.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.4MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L
- OSV · DebianEcosystem advisory · calculated6.4MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- spice-vdagent< 0.20.0-2
- debian_linuxEOL9.0
Fedoraproject1 product
- fedoraEOL32 | 33
Spice-space1 product
- spice-vdagent≤ 0.20.0
Ubuntu1 product
- spice-vdagentAll versions (No fix recorded) | < 0.17.0-1ubuntu2.2 | < 0.19.0-2ubuntu0.2
4 vendors · 5 products
References
10 links- www.openwall.com/lists/oss-security/2020/11/04/1X Refsource MISCREPORTExploitMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/01/msg00012.htmlMailing ListX Refsource MLISTThird Party Advisory