CVE-2016-6298: latchset jwcrypto
Vulnerability summary
CVE-2016-6298 is a medium (CVSS 5.3) vulnerability in latchset jwcrypto. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.8% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 01-09-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).
CVSS metrics
6 scores · 4 sources · 4 versions- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
2.25%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.25% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- python-jwcrypto< 0.3.2-1
Latchset1 product
- jwcrypto< 0.3.2
PyPI1 product
- jwcrypto< 0.3.2 | < eb5be5bd94c8cae1d7f3ba9801377084d8e5a7ba | < 0.4.0
Ubuntu1 product
- python-jwcryptoAll versions (No fix recorded)
4 vendors · 4 products
References
13 links- github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5a7baX Refsource CONFIRMIssue TrackingPatchVendor AdvisoryWEBFIXREPORT
- github.com/latchset/jwcryptoPACKAGE
