CVE-2019-19450

Reportlab vulnerability

CVSS

9.8

EPSS

4.5%

EPSS pct

90th

Exploited

No known

paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates untrusted user input in a unichar element in a crafted XML document with '<unichar code="' followed by arbitrary Python code, a similar issue to CVE-2019-17626.

Affected vendor

Reportlab

Affected product

Reportlab

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-91 — XML Injection

Published

2023-09-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2019-19450

Confirm whether Reportlab Reportlab is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-19450.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-19450

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-19450 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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