CVE-2021-35380: A Directory Traversal vulnerability exists in Solari di Udine TermTalk Server (TTServer) 3.24.0.2, which lets

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HIGH 7.5REMOTEDOWNGRADE

CVE-2021-35380 is a high-severity flaw (CVSS 7.5) affecting termtalk server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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).

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	36.7% (top 2%)
CISA exploited list	No
Weakness	CWE-22
Published	2022-02-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: solari

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-02-15 22:15 UTCPublished CVE record published
2026-06-17 03:57 UTCUpdated Record last modified

solari termtalk server DOWNGRADE

Affected: 3.24.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.24.0.2

1. Check installed version

apt-cache policy termtalk-server || rpm -q termtalk-server || termtalk-server --version

2. No fixed release: DOWNGRADE to a release before 3.24.0.2 (Debian / Ubuntu)

apt-cache madison termtalk-server sudo apt install termtalk-server=<VERSION_BEFORE_3.24.0.2> sudo apt-mark hold termtalk-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list termtalk-server sudo dnf downgrade termtalk-server-<VERSION_BEFORE_3.24.0.2> sudo dnf versionlock add termtalk-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: TermTalk Server 3.24.0.2 - Arbitrary File Read (Unauthenticated)
Nuclei scan template: TermTalk Server 3.24.0.2 - Local File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-35380?

termtalk server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-35380 being exploited?

CVE-2021-35380 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-35380 affect?

CVE-2021-35380 affects termtalk server. Severity is high (CVSS 7.5). 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

How urgent is CVE-2021-35380?

Priority 61/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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