Staging Environment: Content and features may be unstable or change without notice.
Advisory details: pypa / exiv2/PYSEC-2021-882
Advisory ID pypa/exiv2/PYSEC-2021-882
Aliases CVE-2020-18771
PYSEC-2021-882
Summary Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3.1 8.1 https://github.com/pypa/advisory-database/blob/main/vulns/exiv2/PYSEC-2021-882.yaml
Reference id Reference type URL
https://cwe.mitre.org/data/definitions/126.html
https://github.com/Exiv2/exiv2/issues/756
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
GLSA-202312-06 https://security.gentoo.org/glsa/202312-06
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H Found at https://github.com/pypa/advisory-database/blob/main/vulns/exiv2/PYSEC-2021-882.yaml
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-01-03T19:32:41Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2020/18xxx/CVE-2020-18771.json

Source Advisory: vulnrichment/CVE-2020-18771

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]