CVE-2020-36629

SimbCo httpster server.coffee fs.realpathSync path traversal

HIGH
7.5
CVSS Score
Published: December 25, 2022 at 10:20 AM UTC
Updated: June 17, 2026 at 03:15 AM UTC
2 products affected across 2 vendorsHttpsterProject Httpster

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

A vulnerability classified as critical was found in SimbCo httpster. This vulnerability affects the function fs.realpathSync of the file src/server.coffee. The manipulation leads to path traversal. The exploit has been disclosed to the public and may be used. The name of the patch is d3055b3e30b40b65d30c5a06d6e053dffa7f35d0. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216748.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2020-11-19
Affected range stops below 2020-11-19, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

ExploitPatchThird Party Advisory
https://github.com/SimbCo/httpster/pull/36
Technical DescriptionVDB EntryThird Party Advisory
https://vuldb.com/?id.216748

SSVC — Action Prioritization

SSVCPoCNot 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
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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