CVE-2021-27367
Path traversal in bolt/core
CVE-2021-27367 is a high vulnerability (CVSS 7.5) in Boltcms Bolt, published February 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. Fixed in bolt/core 4.1.13.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 1.77%EPSS, 78th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.1.13bolt/core +2 more
Description
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
bolt/corePackagist | before 4.1.13 | 4.1.13 |
boltAzure Linux:3 | through 0.9.8-1 | None known |
bolt/corePackagist | before 4.1.13, plus listed versions 1.0.0-alpha14.0.04.0.0-alpha34.0.0-beta.14.0.0-beta.1.1 Show 45 moreShow less4.0.0-beta.1.24.0.0-beta.1.34.0.0-beta.1.44.0.0-beta.1.54.0.0-beta.1.64.0.0-beta.1.74.0.0-beta.1.84.0.0-beta.24.0.0-beta.2.14.0.0-beta.2.104.0.0-beta.2.24.0.0-beta.2.34.0.0-beta.2.44.0.0-beta.2.54.0.0-beta.2.64.0.0-beta.2.74.0.0-beta.2.84.0.0-beta.2.94.0.0-beta.34.0.0-beta.3.14.0.0-beta.3.24.0.0-beta.3.34.0.0-beta.3.44.0.0-beta.3.54.0.0-beta.3.64.0.0-beta.3.74.0.0-beta.3.84.0.0-beta.44.0.0-beta.4.14.0.0-beta.4.24.0.0-beta.4.34.0.0-beta.4.44.0.0-beta.4.54.0.0-beta.4.64.0.0-beta.54.0.0-beta.5.14.0.0-beta.5.24.0.0-beta.5.34.0.0-beta.5.44.0.0-beta.5.54.0.0-beta.5.64.0.0-beta.5.74.0.0-beta.5.84.0.0-beta.5.94.0.0-rc.1 | 4.1.13 |
What each source reports
NVD Score used
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
CVE-2021-27367- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE ListNo score
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
CVE-2021-27367- Updated
- 2026-11-02
EUVDEUVD-2021-0567No score
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
EUVD-2021-0567- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q88g-qx42-xfrhNo score
Path traversal in bolt/core
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
GHSA-q88g-qx42-xfrh- Weakness
- CWE-22
- Updated
- 2026-11-02
OSVAZL-112898
CVE-2021-27367 affecting package bolt 0.9.8-1
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
AZL-112898- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-10
OSV
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
CVE-2021-27367- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-q88g-qx42-xfrhNo score
Path traversal in bolt/core
Controller/Backend/FileEditController.php and Controller/Backend/FilemanagerController.php in Bolt before 4.1.13 allow Directory Traversal.
- Record
GHSA-q88g-qx42-xfrh- Weakness
- CWE-22
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, facts, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
Left out here: 54 versions. The JSON record has them.