CVE-2021-36221
MEDIUM
5.9
CVSS Score
Published: August 8, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:58 AM UTC
6 products affected across 5 vendorsDebian LinuxFedoraGo
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Severity
MEDIUM5.9
Exploit prediction
EPSS 3%
Description
Go before 1.15.15 and 1.16.x before 1.16.7 has a race condition that can lead to a net/http/httputil ReverseProxy panic upon an ErrAbortHandler abort.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 1.15.151.16.0 ≤ v < 1.16.7
Affected range stops below 1.15.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.16.7, so it looks safe — our inference, not a vendor statement
v < 21.1.1.1.0
Affected range stops below 21.1.1.1.0, so it looks safe — our inference, not a vendor statement
v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
siemens-scalance-lpe9403 (same device)
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/
- https://security.gentoo.org/glsa/202208-02
References (12)
PatchThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdfMailing ListThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0Mailing ListThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announce/c/uHACNfXAZqkMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-362
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