7.5
HIGH
CVE-2022-21221
Fasthttp Directory Traversal Vulnerability
Description

The package github.com/valyala/fasthttp before 1.34.0 are vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only.

INFO

Published Date :

March 17, 2022, 12:15 p.m.

Last Modified :

Nov. 21, 2024, 6:44 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2022-21221 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows
1 Fasthttp_project fasthttp
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-21221.

URL Resource
https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8 Patch Third Party Advisory
https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1 Patch Third Party Advisory
https://github.com/valyala/fasthttp/issues/1226 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/valyala/fasthttp/releases/tag/v1.34.0 Release Notes Third Party Advisory
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866 Exploit Patch Third Party Advisory
https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8 Patch Third Party Advisory
https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1 Patch Third Party Advisory
https://github.com/valyala/fasthttp/issues/1226 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/valyala/fasthttp/releases/tag/v1.34.0 Release Notes Third Party Advisory
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866 Exploit Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-21221 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-21221 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8
    Added Reference https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1
    Added Reference https://github.com/valyala/fasthttp/issues/1226
    Added Reference https://github.com/valyala/fasthttp/releases/tag/v1.34.0
    Added Reference https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Mar. 24, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8 No Types Assigned https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8 Patch, Third Party Advisory
    Changed Reference Type https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1 No Types Assigned https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1 Patch, Third Party Advisory
    Changed Reference Type https://github.com/valyala/fasthttp/issues/1226 No Types Assigned https://github.com/valyala/fasthttp/issues/1226 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/valyala/fasthttp/releases/tag/v1.34.0 No Types Assigned https://github.com/valyala/fasthttp/releases/tag/v1.34.0 Release Notes, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866 No Types Assigned https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866 Exploit, Patch, Third Party Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration AND OR *cpe:2.3:a:fasthttp_project:fasthttp:*:*:*:*:*:*:*:* versions up to (excluding) 1.34.0 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-21221 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-21221 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.25 }} -0.07%

score

0.64069

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
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