CVE-2025-8454: debian devscripts
CVSS: 9.8v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2025-8454DEBIAN-CVE-2025-8454
Published 01-08-2025Last modified 01-08-2025
Vulnerability summary
CVE-2025-8454 is a critical (CVSS 9.8) vulnerability in debian devscripts. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-08-2025PublishedVulnerability first disclosed.
- 01-08-2025Last modifiedVulnerability information updated.
Description
It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification if the upstream source is already downloaded from a previous run even if the verification failed back then.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 18-09-2026
18-09-202618-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- devscriptsAll versions (No fix recorded)
- devscriptsAll versions (No fix recorded) | 2.25.15
Ubuntu1 product
- devscriptsAll versions (No fix recorded)
2 vendors · 3 products