MEDIUM
CVE-2020-24977
CWE-125Published: September 4, 2020· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2020-24977 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected Vendors & Products
Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
netapp8 product(s)
active iq unified managerclustered data ontapclustered data ontap antivirus connectorinventory collect toolmanageability software development kitsnapdrivehci h410c firmwarehci h410c
openSUSE1 product(s)
leap
Oracle7 product(s)
communications cloud native core network function cloud native environmententerprise manager base platformenterprise manager ops centerhttp servermysql workbenchpeoplesoft enterprise peopletoolsreal user experience insight
xmlsoft1 product(s)
libxml2
Source: NVD CPE · 25 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (48)
→
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00036.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00061.htmlMailing List · Third Party Advisory
→
https://gitlab.gnome.org/GNOME/libxml2/-/commit/50f06b3efb638efb0abd95dc62dca05ae67882c2Patch · Vendor Advisory
→
https://gitlab.gnome.org/GNOME/libxml2/-/issues/178Exploit · Issue Tracking · Patch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlThird Party Advisory
Quick Facts
CVE IDCVE-2020-24977
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected6 vendor(s)
PublishedSep 4, 2020
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-24977 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.