7.5

CVE-2013-1895: fedoraproject fedora

CVSS: 7.5v3.1HighModified
AliasesGHSA-r838-q6jp-58xxPYSEC-2020-249UBUNTU-CVE-2013-1895
Published 28-01-2020Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-1895 is a high (CVSS 7.5) vulnerability in fedoraproject fedora. EPSS estimates a 2.83% chance of exploitation in the next 30 days, higher than 86.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-01-2020
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

2.83%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.83% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • python-bcrypt< 0.4-1
Fedoraproject1 product
Py-bcrypt1 product
PyPI1 product
  • py-bcrypt< 0.3
Python1 product
Ubuntu1 product
  • python-bcrypt< 0.4-1

6 vendors · 6 products

References

12 links
Show all 12 references