CVE-2020-25756
CRITICAL
9.8
CVSS Score
Published: September 18, 2020 at 04:44 AM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorMongoose
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
SSVC
No known exploit
Description
A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/cesanta/mongoose/issues/1135SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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