9.8

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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 18-04-2023
    PublishedVulnerability first disclosed.
  2. 05-03-2025
    Last 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 version

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 score
1.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (s1mple-top.github.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Laravel1 product

1 vendor · 1 product

References

1 links