CVE-2024-53691

HIGH 1 PoC
HIGH Priority: 2.00 BB Relevance: 82/100
Published: 2024-12-06 Modified: 2026-11-04 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

Description

A link following vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to traverse the file system to unintended locations. We have already fixed the vulnerability in the following versions: QTS 5.1.8.2823 build 20240712 and later QTS 5.2.0.2802 build 20240620 and later QuTS hero h5.1.8.2823 build 20240712 and later QuTS hero h5.2.0.2802 build 20240620 and later

Weakness Classification (1)

Affected Software (41)

VendorProductVersion
QNAP Systems Inc. QTS 5.1.x < 5.1.8.2823 build 20240712
QNAP Systems Inc. QTS 5.2.x < 5.2.0.2802 build 20240620
QNAP Systems Inc. QTS 5.1.x < 5.1.8.2823 build 20240712
QNAP Systems Inc. QTS 5.2.x < 5.2.0.2802 build 20240620
QNAP Systems Inc. QuTS hero h5.1.x < h5.1.8.2823 build 20240712
QNAP Systems Inc. QuTS hero h5.2.x < h5.2.0.2802 build 20240620
QNAP Systems Inc. QuTS hero h5.1.x < h5.1.8.2823 build 20240712
QNAP Systems Inc. QuTS hero h5.2.x < h5.2.0.2802 build 20240620
qnap qts 5.1.0.2348
qnap qts 5.1.0.2399
qnap qts 5.1.0.2418
qnap qts 5.1.0.2444
qnap qts 5.1.0.2466
qnap qts 5.1.1.2491
qnap qts 5.1.2.2533
qnap qts 5.1.3.2578
qnap qts 5.1.4.2596
qnap qts 5.1.5.2645
qnap qts 5.1.5.2679
qnap qts 5.1.6.2722
qnap qts 5.1.7.2770
qnap qts 5.2.0.2737
qnap qts 5.2.0.2744
qnap qts 5.2.0.2782
qnap quts_hero h5.1.0.2409
qnap quts_hero h5.1.0.2424
qnap quts_hero h5.1.0.2453
qnap quts_hero h5.1.0.2466
qnap quts_hero h5.1.1.2488
qnap quts_hero h5.1.2.2534
Showing 30 of 41 entries

Proof of Concept (1)

Bug Bounty Relevance

82 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

23.00%
Raw Score 0.229980
Percentile 97.8%
Date 2026-11-14

EPSS Trend

2026-11-14
0.22998
2026-11-13
0.22998
2026-11-12
0.22998
2026-11-10
0.22998
2026-11-09
0.22998
2026-11-08
0.23758
2026-11-07
0.23758
2026-11-06
0.23758
2026-11-05
0.23758
2026-11-04
0.23758
2026-11-03
0.23758

Intelligence Sources

mitre ref →
nvd ref →