MEDIUM
CVE-2021-34342
CWE-125Published: March 10, 2022· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
Ming 0.4.8 has an out-of-bounds read vulnerability in the function newVar_N() in decompile.c which causes a huge information leak.
Technical Analysis
CVE-2021-34342 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), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Vendors & Products
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://bugzilla.redhat.com/show_bug.cgi?id=1969619Issue Tracking · Third Party Advisory
→
https://github.com/libming/libming/issues/205Exploit · Issue Tracking · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1969619Issue Tracking · Third Party Advisory
→
https://github.com/libming/libming/issues/205Exploit · Issue Tracking · Third Party Advisory
Quick Facts
CVE IDCVE-2021-34342
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected2 vendor(s)
PublishedMar 10, 2022
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-34342 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.