CVE-2020-24977

Libxml2 vulnerability

CVSS

6.5

EPSS

3.7%

EPSS pct

88th

Exploited

No known

GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e.

Affected vendor

Xmlsoft

Affected product

Libxml2

CVSS vector

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

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2020-09-04

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 low impact to confidentiality, low impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2020-24977

Confirm whether Xmlsoft Libxml2 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-24977.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-24977

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-24977 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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