CVE-2021-20511
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on...
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 198300.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 198300.
- Record
CVE-2021-20511- CVSS 3.0
- 5.2 Medium
CVSS:3.0/AC:L/A:N/AV:A/PR:H/UI:N/C:H/S:U/I:L/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-7929
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 198300.
- Record
EUVD-2021-7929- CVSS 3.0
- 5.2 Medium
CVSS:3.0/AC:L/A:N/AV:A/PR:H/UI:N/C:H/S:U/I:L/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c75f-q5vx-g76h No score
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on...
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 198300.
- Record
GHSA-c75f-q5vx-g76h- Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 198300.
- Record
CVE-2021-20511- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 5.2 Medium
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N - CVSS 2.0
- 6.8 Medium
AV:N/AC:L/Au:S/C:C/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20511 is a medium vulnerability (CVSS 5.2) in Ibm Security Verify Access Docker, published July 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.89%, the 79th percentile. No source names a fixed version.