CVE-2020-2509
Command Injection Vulnerability in QTS and QuTS hero
Exploited in the wild. In CISA KEV since 2022‑04‑11. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- QNAP Systems Inc. QTSAffected: ≥ unspecified, < 4.5.2.1566 Build 20210202Upgrade to: 4.5.2.1566 Build 20210202Affected: ≥ unspecified, < 4.5.1.1495 Build 20201123Upgrade to: 4.5.1.1495 Build 20201123Affected: ≥ unspecified, < 4.3.6.1620 Build 20210322Upgrade to: 4.3.6.1620 Build 20210322Affected: ≥ unspecified, < 4.3.4.1632 Build 20210324Upgrade to: 4.3.4.1632 Build 20210324 + 2 more branchesStated by: CVE record
- QNAP Systems Inc. QuTS heroAffected: ≥ unspecified, < h4.5.1.1491 build 20201119Upgrade to: h4.5.1.1491 build 20201119Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
Coverage timeline
0 publishersAdded to CISA KEV catalog
Sourced from public security reporting — each date is when it was published, not when it happened.
What it is
From the CVE record
A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2022-04-11.
US federal agencies must remediate by 2022-05-02.
Apply updates per vendor instructions.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
34% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 1895 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changehigh → moderate
- Patch availablerecord updated
- Added to CISA KEV
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Scored 9.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- qnap.com/en/security-advisory/qsa-21-05
- nvd.nist.gov/vuln/detail/CVE-2020-2509&
- cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
And 1 more reference. See all after sign-in
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We'll flag the next CVE, public exploit or patch for QTS, not every advisory. This one: actively exploited.
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