SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2019-10758

MongoDB mongo-express Remote Code Execution Vulnerability

KEVCRITICAL 9.9EPSS 84.7%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method. A misuse of the `vm` dependency to perform `exec` commands in a non-safe environment.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
84.73% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 10 December 2021 · due 10 June 2022
Weakness
CWE-94
Affected
mongo-express project/mongo-express
Source
report@snyk.io
EPSS trend
0%43%85%27 October 2026: 84.73%27 October 202627 October 2026

EPSS 84.7% since 27 October 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.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-10758

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