CVE-2021-23192
HIGH
7.5
CVSS Score
Published: March 2, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorSAMBA
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4.10.0 ≤ v < 4.13.144.14.0 ≤ v < 4.14.104.15.0 ≤ v < 4.15.2Affects samba v4.10.0 to 4.15.1, Fixed in samba v4.15.2, v4.14.10 and v4.13.14.
Affected range stops below 4.13.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.14.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.15.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
Issue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2019666PatchVendor Advisory
Source: [email protected]
https://www.samba.org/samba/security/CVE-2021-23192.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo
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