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Vulnerability details: VCID-j4ce-hbvu-afht
Vulnerability ID VCID-j4ce-hbvu-afht
Aliases CVE-2020-36855
Summary A security vulnerability has been detected in DCMTK up to 3.6.5. The affected element is the function parseQuota of the component dcmqrscp. The manipulation of the argument StorageQuota leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Upgrading to version 3.6.6 is sufficient to fix this issue. The identifier of the patch is 0fef9f02e. It is recommended to upgrade the affected component.
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121 Stack-based Buffer Overflow
System Score Found at
epss 0.00035 https://api.first.org/data/v1/epss?cve=CVE-2020-36855
epss 0.00035 https://api.first.org/data/v1/epss?cve=CVE-2020-36855
cvssv2 4.3 https://shimo.im/docs/rp3OMVMDPKtjn0km/
cvssv3 5.3 https://shimo.im/docs/rp3OMVMDPKtjn0km/
cvssv3.1 5.3 https://shimo.im/docs/rp3OMVMDPKtjn0km/
cvssv4 4.8 https://shimo.im/docs/rp3OMVMDPKtjn0km/
ssvc Track https://shimo.im/docs/rp3OMVMDPKtjn0km/
cvssv2 4.3 https://vuldb.com/?ctiid.329028
cvssv3 5.3 https://vuldb.com/?ctiid.329028
cvssv3.1 5.3 https://vuldb.com/?ctiid.329028
cvssv4 4.8 https://vuldb.com/?ctiid.329028
ssvc Track https://vuldb.com/?ctiid.329028
cvssv2 4.3 https://vuldb.com/?id.329028
cvssv3 5.3 https://vuldb.com/?id.329028
cvssv3.1 5.3 https://vuldb.com/?id.329028
cvssv4 4.8 https://vuldb.com/?id.329028
ssvc Track https://vuldb.com/?id.329028
cvssv2 4.3 https://vuldb.com/?submit.673137
cvssv3 5.3 https://vuldb.com/?submit.673137
cvssv3.1 5.3 https://vuldb.com/?submit.673137
cvssv4 4.8 https://vuldb.com/?submit.673137
ssvc Track https://vuldb.com/?submit.673137
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-36855
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36855
?ctiid.329028 https://vuldb.com/?ctiid.329028
?id.329028 https://vuldb.com/?id.329028
rp3OMVMDPKtjn0km https://shimo.im/docs/rp3OMVMDPKtjn0km/
?submit.673137 https://vuldb.com/?submit.673137
No exploits are available.
Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C Found at https://shimo.im/docs/rp3OMVMDPKtjn0km/
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://shimo.im/docs/rp3OMVMDPKtjn0km/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://shimo.im/docs/rp3OMVMDPKtjn0km/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P Found at https://shimo.im/docs/rp3OMVMDPKtjn0km/
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-21T15:23:22Z/ Found at https://shimo.im/docs/rp3OMVMDPKtjn0km/
Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C Found at https://vuldb.com/?ctiid.329028
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://vuldb.com/?ctiid.329028
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://vuldb.com/?ctiid.329028
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P Found at https://vuldb.com/?ctiid.329028
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-21T15:23:22Z/ Found at https://vuldb.com/?ctiid.329028
Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C Found at https://vuldb.com/?id.329028
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://vuldb.com/?id.329028
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://vuldb.com/?id.329028
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P Found at https://vuldb.com/?id.329028
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-21T15:23:22Z/ Found at https://vuldb.com/?id.329028
Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C Found at https://vuldb.com/?submit.673137
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://vuldb.com/?submit.673137
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Found at https://vuldb.com/?submit.673137
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P Found at https://vuldb.com/?submit.673137
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-21T15:23:22Z/ Found at https://vuldb.com/?submit.673137
Exploit Prediction Scoring System (EPSS)
Percentile 0.10687
EPSS Score 0.00035
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:31:08.861236+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2020/36xxx/CVE-2020-36855.json 38.6.0