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CVE-2016-6298

16
FAUCET Score

CVE-2016-6298 describes a vulnerability in the jwcrypto library, specifically within the _Rsa15 class of its RSA 1.5 algorithm implementation, affecting versions prior to 0.3.2. The absence of a Random Filling protection mechanism allows remote attackers to perform a Million Message Attack (MMA) to obtain cleartext data. This medium-severity vulnerability (CVSS 5.3) has a high confidentiality impact and requires low privileges but high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.2CPE matchmatch criteria
cpe:2.3:a:latchset:jwcrypto:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 88th percentile among its peer group of 1,424 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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
pippatch availablevia ghsa
Product: jwcryptoFixed in: 0.3.2

Vendor Advisories (1)

pipGHSA-wg33-x934-3ghhmedium

jwcrypto lacks the Random Filling protection mechanism

May 17, 2022

References

github.com / latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba
Issue TrackingPatchVendor Advisory
github.com / latchset/jwcrypto/issues/65
Issue TrackingVendor Advisory
github.com / latchset/jwcrypto/pull/66
Issue TrackingPatch
github.com / latchset/jwcrypto/releases/tag/v0.3.2
PatchVendor Advisory
securityfocus.com / bid/92729
Broken LinkThird Party AdvisoryVDB Entry