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CVE-2023-36877

17
FAUCET Score

CVE-2023-36877 is a spoofing vulnerability affecting Azure Apache Oozie within Microsoft Azure HDInsight. This medium-severity flaw (CVSS 4.5) requires high privileges and user interaction, allowing an attacker to inject malicious scripts (CWE-79) and potentially compromise data integrity, as highlighted by media coverage discussing data access and session hijacking. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media attention, indicating its potential impact despite a low EPSS score.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_hdinsight:-:*:*:*:*:*:*:*
>= 1.0, < 2307201242CPE match
cpe:2.3:a:microsoft:azure_hdinsight:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 94th percentile among its peer group of 4,937 CVEs.

Social Chatter

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

Media Mentions

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)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Azure HDInsightFixed in: 2307201242
View patch

Vendor Advisories (1)

microsoft2023-Aug/CVE-2023-36877Important

Azure Apache Oozie Spoofing Vulnerability

Aug 8, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-36877
PatchVendor Advisory