SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-0557

OS Command Injection in Packagist microweber/microweber prior to 1.2.11.

EXPLOITHIGH 7.2EPSS 51.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 51.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

OS Command Injection in Packagist microweber/microweber prior to 1.2.11.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
51.19% probability · 99th percentile
Public exploits
1 in Exploit-DB · first 21 February 2022
CISA KEV
Not listed
Weakness
CWE-78
Affected
microweber/microweber
Source
security@huntr.dev
EPSS trend
0%28%55%3 November 2026: 51.19%3 November 20263 November 2026

EPSS 51.2% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-50768source ↗Microweber 1.2.11 - Remote Code Execution (RCE) (Authenticated)php · Chetanya Sharmawebapps21 February 2022no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.