CVE-2023-41280: qnap systems inc. qts Classic Buffer Overflow
Vulnerability summary
CVE-2023-41280 is a high (CVSS 7.2) Classic Buffer Overflow vulnerability in qnap systems inc. qts. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.9% of scored vulnerabilities.
Timeline
- 02-02-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.1.2.2534 build 20230927 and later QuTScloud c5.1.5.2651 and later
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA5.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:LDiffers
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
0.00 pp
From 0.58% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Affected systems
Qnap3 products
- qts5.1.0.2348:build_20230325 | 5.1.0.2399:build_20230515 | 5.1.0.2418:build_20230603 | 5.1.0.2444:build_20230629 | 5.1.0.2466:build_20230721 | 5.1.1.2491:build_20230815 | 5.1.2.2533
- quts_heroh5.1.0.2409:build_20230525 | h5.1.0.2424:build_20230609 | h5.1.0.2453:build_20230708 | h5.1.0.2466:build_20230721 | h5.1.1.2488:build_20230812 | h5.1.2.2534
- qutscloudc5.1.0.2498:build_20230822
2 vendors · 6 products
References
1 links- www.qnap.com/en/security-advisory/qsa-23-38Vendor Advisory