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CVE-2023-3432

30
FAUCET Score

CVE-2023-3432 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting PlantUML versions prior to 1.2023.9, including those within Fedora Project distributions. With a CVSS score of 10.0, this vulnerability allows unauthenticated attackers to execute arbitrary requests from the server with high impact on confidentiality and integrity, requiring no user interaction. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion and media coverage, indicating a level of awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2023.9CPE matchmatch criteria
cpe:2.3:a:plantuml:plantuml:*:*:*:*:*:*:*:*
39CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.2HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 39th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

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 (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: net.sourceforge.plantuml:plantuml-mitFixed in: 1.2023.9
mavenpatch availablevia ghsa
Product: net.sourceforge.plantuml:plantumlFixed in: 1.2023.9

Vendor Advisories (1)

mavenGHSA-ff3m-68vj-h86phigh

PlantUML Server-Side Request Forgery vulnerability

Jun 27, 2023

References

github.com / plantuml/plantuml/commit/b32500bb61ae617bb312496d6d832e4be8190797
Patch
huntr.dev / bounties/8ac3316f-431c-468d-87e4-3dafff2ecf51
ExploitPatchThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/FV7XL3CY3K3K5ER3ASMEQA546MIQQ7QM
Mailing ListThird Party Advisory