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CVE-2020-15223

20
FAUCET Score

CVE-2020-15223 affects ORY Fosite versions prior to 0.34.0, where the TokenRevocationHandler fails to properly handle storage errors, potentially leading to tokens remaining valid despite a reported successful revocation. This vulnerability carries a CVSS score of 8.0 (HIGH), indicating a network-based attack with high impact on confidentiality and integrity, though requiring high attack complexity and user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.34.0CPE matchmatch criteria
cpe:2.3:a:ory:fosite:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.59%
Probability of exploitation in next 30 days
EPSS Percentile
73.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0159 is in the 49th percentile among its peer group of 1,571 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.6 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
gopatch availablevia ghsa
Product: github.com/ory/fositeFixed in: 0.34.0

Vendor Advisories (1)

goGHSA-7mqr-2v3q-v2wmhigh

Ory fosite contains Improper Handling of Exceptional Conditions

May 24, 2021

References

github.com / ory/fosite/commit/03dd55813f5521985f7dd64277b7ba0cf1441319
PatchThird Party Advisory
github.com / ory/fosite/security/advisories/GHSA-7mqr-2v3q-v2wm
Third Party Advisory
tools.ietf.org / html/rfc7009
Third Party Advisory