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CVE-2023-51651

14
FAUCET Score

CVE-2023-51651 is a URI path traversal vulnerability affecting the AWS SDK for PHP v3 prior to version 3.288.1. This flaw, residing in the RestSerializer's buildEndpoint method, could allow an attacker to access arbitrary S3 objects under specific conditions. The vulnerability has a low CVSS score of 3.3, indicating a local attack vector with low complexity and a potential impact of limited confidentiality. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.288.1CPE matchmatch criteria
cpe:2.3:a:amazon:aws_software_development_kit:*:*:*:*:*:php:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 85th percentile among its peer group of 1,511 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: aws/aws-sdk-phpFixed in: 3.288.1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-557v-xcg6-rm5mmedium

Potential URI resolution path traversal in the AWS SDK for PHP

Dec 21, 2023

References

github.com / aws/aws-sdk-php/commit/aebc9f801438746ac4ade327551576cb75f635f2
Patch
github.com / aws/aws-sdk-php/releases/tag/3.288.1
Release Notes
github.com / aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5m
Third Party Advisory