Lucene search

[email protected]CVE-2021-20285

HistoryMar 26, 2021 - 5:15 p.m.

CVE-2021-20285

2021-03-2617:15:13

CWE-119

CWE-787

[email protected]

web.nvd.nist.gov

cve-2021-20285

upx

canpack

p_lx_elf.cpp

elf

vulnerability

denial of service

buffer overflow

application crash

system availability

8.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:P/I:P/A:C

6.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.9%

JSON

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

Affected configurations

Vulners

NVD

Node

upx_projectupxRange≤3.96

VendorProductVersionCPE
upx_projectupx*cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
upx_project	upx	*	cpe:2.3:a:upx_project:upx::::::::

CNA Affected

[
  {
    "product": "upx",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "UPX 3.96"
      }
    ]
  }
]