CVE-2021-31156 json
Allied Telesis AT-S115 1.2.0 devices before 1.00.024 with Boot Loader 1.00.006 allow Directory Traversal to achieve partial access to data.
published 2y ago modified 4mo ago also EUVD-2021-18070
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
Allied Telesis AT-S115 1.2.0 devices before 1.00.024 with Boot Loader 1.00.006 allow Directory Traversal to achieve partial access to data.
Patch / fix
- allied_telesis_at s115_1.2.0 1.00.024_with_boot_loader_1.00.006
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2y ago
Exploit prediction
0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- allied_telesis_at s115_1.2.0
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
Sources
- CVE List CVE-2021-31156
- NVD CVE-2021-31156
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