CVE-2017-10862

FAUCET Score

CVE-2017-10862 describes a critical vulnerability in jwt-scala versions 1.2.2 and earlier, where the library fails to properly verify JSON Web Token (JWT) signatures. This flaw allows an unauthenticated attacker to forge JWTs, potentially bypassing authentication or authorization mechanisms. The vulnerability has a CVSS score of 5.3 (Medium), indicating a network-based attack with low complexity and a potential impact on integrity. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 1.2.2CPE matchmatch criteria	cpe:2.3:a:really:jwt-scala::::::::

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

1.4

CvssVersion

3.0

Exploit Intelligence

EPSS Score

0.58%

Probability of exploitation in next 30 days

EPSS Percentile

44.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0058 is in the 28th percentile among its peer group of 23,701 CVEs.

Social Chatter

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

Vendor Advisories (1)

mavenGHSA-9pxm-8g95-q5xrmedium

Insufficient Data Verification in io.really:jwt-scala

May 17, 2022

References

github.com / reallylabs/jwt-scala

Third Party Advisory

jvn.jp / en/vu/JVNVU90916766/index.html

Third Party AdvisoryVDB Entry