8.1

CVE-2020-7660: verizon serialize-javascript Deserialization of Untrusted Data

Modified
AliasesGHSA-hxcc-f52p-wc94
Published 01-06-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-7660 is a high (CVSS 8.1) Deserialization of Untrusted Data vulnerability in verizon serialize-javascript. EPSS estimates a 3.01% chance of exploitation in the next 30 days, higher than 87.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 8.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 04-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
3.01%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 01-06-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

serialize-javascript prior to 3.1.0 allows remote attackers to inject arbitrary code via the function "deleteFunctions" within "index.js".

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.01%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.01% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Npm1 product
  • serialize-javascript< 3.1.0
Verizon1 product

2 vendors · 2 products

References

3 links