HIGH
CVE-2019-20063
CWE-665Published: December 29, 2019· Updated: Jun 17, 2026
8.8
CVSS v3.1
Official Description
hdf/dataobject.c in libmysofa before 0.8 has an uninitialized use of memory, as demonstrated by mysofa2json.
Technical Analysis
CVE-2019-20063 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
symonics1 product(s)
libmysofa
Source: NVD CPE · 1 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 (4)
→
https://github.com/hoene/libmysofa/compare/v0.7...v0.8Release Notes · Third Party Advisory
→
https://github.com/hoene/libmysofa/issues/67Exploit · Issue Tracking · Third Party Advisory
→
https://github.com/hoene/libmysofa/compare/v0.7...v0.8Release Notes · Third Party Advisory
→
https://github.com/hoene/libmysofa/issues/67Exploit · Issue Tracking · Third Party Advisory
Quick Facts
CVE IDCVE-2019-20063
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-665
CISA KEVNo
Affected1 vendor(s)
PublishedDec 29, 2019
Related CVEs (CWE-665)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20063 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.COM. CVE data is provided under the NVD usage policy.