MEDIUM
CVE-2020-36516
CWE-327Published: February 26, 2022· Updated: Jun 17, 2026
5.9
CVSS v3.1
Official Description
An issue was discovered in the Linux kernel through 5.16.11. The mixed IPID assignment method with the hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session or terminate that session.
Technical Analysis
CVE-2020-36516 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityLow
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
Affected Vendors & Products
Linux1 product(s)
linux kernel
netapp28 product(s)
cloud volumes ontap mediatore-series santricity os controllersolidfire\, enterprise sds \& hci storage nodesolidfire \& hci management nodeh300s firmwareh300sh500s firmwareh500sh700s firmwareh700sh300e firmwareh300e+16
Source: NVD CPE · 29 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://dl.acm.org/doi/10.1145/3372297.3417884Technical Description · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20220331-0003/Third Party Advisory
→
https://dl.acm.org/doi/10.1145/3372297.3417884Technical Description · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20220331-0003/Third Party Advisory
Quick Facts
CVE IDCVE-2020-36516
CVSS Score5.9 / 10
SeverityMEDIUM
WeaknessCWE-327
CISA KEVNo
Affected2 vendor(s)
PublishedFeb 26, 2022
Related CVEs (CWE-327)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-36516 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.