Trending
CVE-2025-25293

CVE detail

CVE-2025-25293

ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby. Prior to versions 1.12.4 and 1.18.0, ruby-saml is susceptible to remote Denial of Service (DoS) with compressed SAML responses. ruby-saml uses zlib to decompress SAML responses in case they're compressed. It is possible to bypass the message size check with a compressed assertion since the message size is checked before inflation and not after. This issue may lead to remote Denial of Service (DoS). Versions 1.12.4 and 1.18.0 fix the issue.

CVSS 7.7 · HighBuzz score 40.9

Buzz score

Why this CVE is surfacing

Buzz score total 40.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 24.9 · diversity 16.0 · KEV 0.0 · OTX 0.0 · PoC 0.0

Mention score

24.9

11 evidence mentions in the snapshot

Diversity score

16.0

6 sources across 2 categories

KEV score

0.0

No KEV entry observed

OTX score

0.0

0 OTX pulses

PoC score

0.0

0 repos · best confidence N/A

Best PoC traction

Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions: 0; within the 30d window
Peak daily: 0; highest bucket

Evidence

Source links by recency

Newest mentions first

11 source links · newest first

https://security.netapp.com/advisory/ntap-20250314-0008/security.netapp.com
No excerpt available.
Vendor Advisorysecurity.netapp.comMar 12, 2025, 9:15 PM
https://lists.debian.org/debian-lts-announce/2025/04/msg00011.htmllists.debian.org
No excerpt available.
Vendor Advisorylists.debian.orgMar 12, 2025, 9:15 PM
https://securitylab.github.com/advisories/GHSL-2024-355_ruby-samlsecuritylab.github.com
No excerpt available.
Exploitsecuritylab.github.comMar 12, 2025, 9:15 PM
https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-hw46-3hmr-x9xvgithub.com
No excerpt available.
Exploitgithub.comMar 12, 2025, 9:15 PM
https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-92rq-c8cf-prrqgithub.com
No excerpt available.
Exploitgithub.comMar 12, 2025, 9:15 PM
https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.18.0github.com
No excerpt available.
Exploitgithub.comMar 12, 2025, 9:15 PM
https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.12.4github.com
No excerpt available.
Exploitgithub.comMar 12, 2025, 9:15 PM
https://github.com/SAML-Toolkits/ruby-saml/commit/e2da4c6dae7dc01a4d9cd221395140a67e2b3eb1github.com
No excerpt available.
Exploitgithub.comMar 12, 2025, 9:15 PM
https://github.com/SAML-Toolkits/ruby-saml/commit/acac9e9cc0b9a507882c614f25d41f8b47be349agithub.com
No excerpt available.
Exploitgithub.comMar 12, 2025, 9:15 PM
https://github.blog/security/sign-in-as-anyone-bypassing-saml-sso-authentication-with-parser-differentialsgithub.blog
No excerpt available.
Exploitgithub.blogMar 12, 2025, 9:15 PM
https://about.gitlab.com/releases/2025/03/12/patch-release-gitlab-17-9-2-releasedabout.gitlab.com
No excerpt available.
Vendor Advisoryabout.gitlab.comMar 12, 2025, 9:15 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars

No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence

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External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2025-25293.

Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.

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Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

cpe:2.3:a:omniauth:omniauth_samlSearch this product on Shodan
cpe:2.3:a:onelogin:ruby-samlSearch this product on Shodan

Exact CVE query

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vuln:CVE-2025-25293Search this CVE on Shodan

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Metadata

Canonical fields

NVD status

Modified

Published

Mar 12, 2025

Modified

Jun 17, 2026

Official record

Authoritative NVD record

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE IDs

Vendor classifications

How this vector reads

CVSS 4.0 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Attack Vector (AV): Network. The vulnerable system can be reached across network boundaries.
Attack Complexity (AC): Low. No special conditions beyond the attacker-controlled steps are required.
Attack Requirements (AT): None. No prerequisite deployment or execution condition is required.
Privileges Required (PR): None. The attacker needs no privileges on the vulnerable system.
User Interaction (UI): None. Exploitation does not require a targeted user to act.
Vulnerable System Confidentiality (VC): None. There is no direct impact to this security property.
Vulnerable System Integrity (VI): None. There is no direct impact to this security property.
Vulnerable System Availability (VA): High. There is a total or serious impact to this security property.
Subsequent System Confidentiality (SC): None. There is no direct impact to this security property.
Subsequent System Integrity (SI): None. There is no direct impact to this security property.
Subsequent System Availability (SA): None. There is no direct impact to this security property.

Optional CVSS v4 metrics remain in the raw vector; only base metrics are expanded here.

Signals

Exploitation indicators

0 stored signals · no KEV · 0 OTX pulses