7.8
HIGH
CVE-2021-22557
Google SLO Generator YAML Deserialization Code Execution Vulnerability
Description

SLO generator allows for loading of YAML files that if crafted in a specific format can allow for code execution within the context of the SLO Generator. We recommend upgrading SLO Generator past https://github.com/google/slo-generator/pull/173

INFO

Published Date :

Oct. 4, 2021, 10:15 a.m.

Last Modified :

Oct. 25, 2022, 4:18 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2021-22557 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-22557 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 Google slo_generator
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-2021-22557.

URL Resource
http://packetstormsecurity.com/files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html Exploit Third Party Advisory VDB Entry
https://github.com/google/slo-generator/pull/173 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).

Cyberdefence and Cyberintelligence - UPB 2022

Dockerfile Makefile Shell

Updated: 2 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : April 30, 2022, 9:42 p.m. This repo has been linked 1 different CVEs too.

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

The following list is the news that have been mention CVE-2021-22557 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-22557 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Oct. 25, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html Exploit, Third Party Advisory http://packetstormsecurity.com/files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
    Removed CWE NIST CWE-94
    Added CWE NIST CWE-78
  • Initial Analysis by [email protected]

    Oct. 14, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html Exploit, Third Party Advisory
    Changed Reference Type https://github.com/google/slo-generator/pull/173 No Types Assigned https://github.com/google/slo-generator/pull/173 Exploit, Patch, Third Party Advisory
    Added CWE NIST CWE-94
    Added CPE Configuration OR *cpe:2.3:a:google:slo_generator:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.1
  • CVE Modified by [email protected]

    Oct. 07, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html [No Types Assigned]
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-2021-22557 is associated with the following CWEs:

Exploit Prediction

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

0.07 }} 0.01%

score

0.30707

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability