CVE-2020-25636
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
- Record
CVE-2020-25636- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H - Weakness
- CWE-552, CWE-377
- Updated
- 2026-11-02
EUVDEUVD-2020-0024
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
- Record
EUVD-2020-0024- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
NVD
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
- Record
CVE-2020-25636- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-377, CWE-552
- Updated
- 2026-11-02
OSV
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
- Record
CVE-2020-25636- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-25636
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
- Record
UBUNTU-CVE-2020-25636- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
OSVPYSEC-2020-221 No score
A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.
- Record
PYSEC-2020-221- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ansibleUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 1.1+dfsg-11.3.4+dfsg-11.4.0+dfsg-11.4.1+dfsg-11.4.3+dfsg-1 Show 5 moreShow less1.4.4+dfsg-11.5.4+dfsg-11.5.4+dfsg-1ubuntu0.1~esm11.5.4+dfsg-1ubuntu0.1~esm21.5.4+dfsg-1ubuntu0.1~esm3 |
None known |
ansibleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.9.2+dfsg-21.9.4-12.0.0.2-22.0.0.2-2ubuntu12.0.0.2-2ubuntu1.1 Show 8 moreShow less2.0.0.2-2ubuntu1.22.0.0.2-2ubuntu1.32.0.0.2-2ubuntu1.3+esm12.0.0.2-2ubuntu1.3+esm22.0.0.2-2ubuntu1.3+esm32.0.0.2-2ubuntu1.3+esm42.0.0.2-2ubuntu1.3+esm52.0.0.2-2ubuntu1.3+esm6 |
None known |
ansibleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 2.3.1.0+dfsg-22.5.0+dfsg-12.5.1+dfsg-12.5.1+dfsg-1ubuntu0.12.5.1+dfsg-1ubuntu0.1+esm1 Show 4 moreShow less2.5.1+dfsg-1ubuntu0.1+esm22.5.1+dfsg-1ubuntu0.1+esm32.5.1+dfsg-1ubuntu0.1+esm42.5.1+dfsg-1ubuntu0.1+esm5 |
None known |
ansibleUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 2.8.3+dfsg-12.8.6+dfsg-12.9.2+dfsg-12.9.4+dfsg-12.9.6+dfsg-12.9.6+dfsg-1ubuntu0.1~esm12.9.6+dfsg-1ubuntu0.1~esm22.9.6+dfsg-1ubuntu0.1~esm3 |
None known |
ansibleUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 2.10.7+merged+base+2.10.8+dfsg-12.10.7+merged+base+2.10.8+dfsg-1ubuntu0.1~esm12.10.7+merged+base+2.10.8+dfsg-1ubuntu0.1~esm4 |
None known |
ansibleUbuntu:24.04:LTS |
All versions, plus listed versions 7.7.0+dfsg-17.7.0+dfsg-39.2.0+dfsg-0ubuntu49.2.0+dfsg-0ubuntu5 |
None known |
ansibleUbuntu:25.10 |
All versions, plus listed versions 11.2.0+dfsg-112.0.0~a2+dfsg-112.0.0~a4+dfsg-112.0.0~a6+dfsg-112.0.0~b1+dfsg-1 |
None known |
ansibleUbuntu:26.10 |
All versions, plus listed versions 13.1.0+dfsg-1ubuntu113.4.0+dfsg-1 |
None known |
ansibleUbuntu:26.04:LTS |
All versions, plus listed versions 12.0.0~b1+dfsg-112.0.0+dfsg-112.2.0+dfsg-113.1.0+dfsg-113.1.0+dfsg-1ubuntu1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| affected, aliases, products | EUVD | |
| first indexed | OSV | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25636 is a medium vulnerability (CVSS 6.6) in Redhat Ansible, published October 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.