4.3

CVE-2022-27820: owasp zed_attack_proxy Improper Certificate Validation

CVSS: 4.3v2.0MediumModified
AliasesGHSA-j7xg-5549-jr3j
Published 24-03-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-27820 is a medium (CVSS 4.3) Improper Certificate Validation vulnerability in owasp zed_attack_proxy. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.4% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
0.68%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-03-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.68% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Org.zaproxy1 product
  • zap≤ 2.11.1
Owasp1 product

2 vendors · 2 products

References

5 links