CVE-2021-35380

Exp

A Directory Traversal vulnerability exists in Solari di Udine TermTalk Server (TTServer) 3.24.0.2, which lets an unauthenticated malicious user gain access to the files on the remote system by gaining access to the relative path of the file they want to download (http://url:port/file?valore).

Published: 2022-02-15 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-35380 is rated High Exploit Risk (74.2/100): CVSS High severity, with high exploitation likelihood (EPSS 49.46%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2021-35380

EDB-ID Source Kind Published Link
50638 exploit_db edb 2022-01-05 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2021-35380

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-16 73.49% 49.46% -24.03%
2 2025-11-21 65.65% 73.49% +7.83%
3 2025-11-18 65.65%

Full EPSS history (38 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-35380

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2021-35380

Affected software / configurations for CVE-2021-35380

Vendor Product Version Raw CPE
solari termtalk_server 3.24.0.2 cpe:2.3:a:solari:termtalk_server:3.24.0.2:*:*:*:*:*:*:*

References for CVE-2021-35380

URL Tags
https://www.exploit-db.com/exploits/50638 Exploit Third Party Advisory VDB Entry
https://www.swascan.com/it/security-blog/ Third Party Advisory
https://www.swascan.com/solari-di-udine/ Third Party Advisory
cvelogic Threat Intelligence