MEDIUM
CVE-2022-30295
CWE-330Published: May 6, 2022· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2.
Technical Analysis
CVE-2022-30295 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.
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 ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/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://www.kb.cert.org/vuls/id/473698Third Party Advisory · US Government Resource
→
→
https://www.kb.cert.org/vuls/id/473698Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2022-30295
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-330
CISA KEVNo
Affected2 vendor(s)
PublishedMay 6, 2022
Related CVEs (CWE-330)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-30295 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.