MEDIUM
CVE-2020-29511
CWE-115Published: December 14, 2020· Updated: Jun 17, 2026
5.6
CVSS v3.1
Official Description
The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
Technical Analysis
CVE-2020-29511 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 ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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://security.netapp.com/advisory/ntap-20210129-0006/Third Party Advisory
→
→
https://security.netapp.com/advisory/ntap-20210129-0006/Third Party Advisory
Quick Facts
CVE IDCVE-2020-29511
CVSS Score5.6 / 10
SeverityMEDIUM
WeaknessCWE-115
CISA KEVNo
Affected2 vendor(s)
PublishedDec 14, 2020
Related CVEs (CWE-115)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-29511 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.