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CVE-2021-22557

36
FAUCET Score

CVE-2021-22557 is a high-severity vulnerability affecting Google's SLO Generator, allowing for remote code execution through specially crafted YAML files. With a CVSS score of 7.8, a successful exploit could lead to complete compromise of confidentiality, integrity, and availability within the SLO Generator's context. While not currently on CISA's KEV catalog or showing active exploitation, public exploit code exists, indicating a potential for future attacks. Community discussion and media coverage are minimal, but the FAUCET Risk Score of 89/100 highlights its significant risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.0CPE match
cpe:2.3:a:google:slo_generator:*:*:*:*:*:*:*:*
< 2.0.1CPE matchmatch criteria
cpe:2.3:a:google:slo_generator:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-50385 · Oct 7, 2021
This CVE's current EPSS score of 0.0158 is in the 72nd percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: slo-generatorFixed in: 2.0.1

Vendor Advisories (1)

pipGHSA-j28r-j54m-gpc4medium

Code Injection in SLO Generator

Oct 5, 2021

References

packetstormsecurity.com / files/164426/Google-SLO-Generator-2.0.0-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
github.com / google/slo-generator/pull/173
ExploitPatchThird Party Advisory