CVE-2021-28254: laravel Deserialization of Untrusted Data
CVSS: 9.8v3.1CriticalModified
Published 18-04-2023Last modified 05-03-2025
Vulnerability summary
CVE-2021-28254 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in laravel. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.32%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 18-04-2023PublishedVulnerability first disclosed.
- 05-03-2025Last modifiedVulnerability information updated.
Description
A deserialization vulnerability in the destruct() function of Laravel v8.5.9 allows attackers to execute arbitrary commands.
CVSS metrics
2 scores · 2 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 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.32%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.32% on 18-09-2026
18-09-202618-10-2026
EPSS score1.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (s1mple-top.github.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Laravel1 product
- laravelEOL8.5.9
1 vendor · 1 product