7.5

CVE-2020-29651: fedoraproject fedora

Modified
AliasesMGASA-2021-0071SUSE-SU-2021:1859-1SUSE-SU-2021:2236-1
Published 09-12-2020Last modified 03-11-2025

Vulnerability summary

CVE-2020-29651 is a high (CVSS 7.5) vulnerability in fedoraproject fedora. EPSS estimates a 4.66% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
4.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 5

Timeline

  1. 09-12-2020
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

4.66%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.66% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse27 products
  • python-apipkg&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 1.4-150000.3.2.1
  • python-apipkg&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 1.4-150000.3.2.1
  • python-apipkg&distro=SUSE Linux Enterprise Module for Python 2 15 SP3< 1.4-150000.3.2.1
  • python-atomicwrites&distro=SUSE Linux Enterprise Module for Package Hub 15 SP3< 1.1.5-150000.3.2.1
  • python-atomicwrites&distro=SUSE Linux Enterprise Module for Package Hub 15 SP4< 1.1.5-150000.3.2.1
Opensuse17 products
  • python-apipkg&distro=openSUSE Leap 15.3< 1.4-150000.3.2.1
  • python-apipkg&distro=openSUSE Leap 15.4< 1.4-150000.3.2.1
  • python-atomicwrites-doc&distro=openSUSE Leap 15.3< 1.1.5-150000.3.2.1
  • python-atomicwrites-doc&distro=openSUSE Leap 15.4< 1.1.5-150000.3.2.1
  • python-atomicwrites&distro=openSUSE Leap 15.3< 1.1.5-150000.3.2.1
Debian1 product
  • python-py< 1.10.0-1
Fedoraproject1 product
Mageia1 product
  • python-py< 1.8.0-1.1.mga7
Oracle1 product
PyPI1 product
  • py< 1.10.0
Pytest1 product
  • py≤ 1.9.0
Ubuntu1 product
  • python-pyAll versions (No fix recorded) | < 1.5.2-1ubuntu0.1 | < 1.8.1-1ubuntu0.1

9 vendors · 51 products

References

34 links
Show all 34 references