SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8203

Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.

HIGH 7.4EPSS 5.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.

CVSS 3.1
7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
5.21% probability · 92th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-770, CWE-1321
Affected
lodash/lodash · oracle/banking corporate lending process management · oracle/banking credit facilities process management · oracle/banking extensibility workbench · oracle/banking liquidity management · oracle/banking supply chain finance · oracle/banking trade finance process management · oracle/banking virtual account management · oracle/blockchain platform · oracle/communications billing and revenue management · oracle/communications cloud native core policy · oracle/communications session border controller · oracle/communications session router · oracle/communications subscriber-aware load balancer · oracle/enterprise communications broker · oracle/jd edwards enterpriseone tools · oracle/peoplesoft enterprise peopletools · oracle/primavera gateway
Source
support@hackerone.com
EPSS trend
0%5%10%26 October 2026: 5.21%26 October 202626 October 2026

EPSS 5.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.