What is CVE-2020-10799?

CVE-2020-10799 is a critical-severity vulnerability in Svglib Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-03-20.

How severe is CVE-2020-10799?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Svglib Project

CVE-2020-10799

The svglib package through 0.9.3 for Python allows XXE attacks via an svg2rlg call.

Vulnerability class: XXE (XML External Entity)

Published 2020-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Svglib Project

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

github.com/deeplook/svglib/issues/229 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-10799?: CVE-2020-10799 is a critical-severity vulnerability in Svglib Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-03-20.
How severe is CVE-2020-10799?: Critical severity. CVSS v3 base score is 9.8 out of 10.