CVE-2022-27820
Improper Certificate Validation in OWASP ZAP
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
- Record
CVE-2022-27820- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
- Record
CVE-2022-27820- Updated
- 2026-11-02
EUVDEUVD-2022-1452 No score
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
- Record
EUVD-2022-1452- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j7xg-5549-jr3j
Improper Certificate Validation in OWASP ZAP
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
- Record
GHSA-j7xg-5549-jr3j- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSVGHSA-j7xg-5549-jr3j
Improper Certificate Validation in OWASP ZAP
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
- Record
GHSA-j7xg-5549-jr3j- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSV No score
OWASP Zed Attack Proxy (ZAP) through w2022-03-21 does not verify the TLS certificate chain of an HTTPS server.
- Record
CVE-2022-27820- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.zaproxy:zapMaven |
through 2.11.1 | None known |
org.zaproxy:zapMaven |
through 2.11.1, plus listed versions 2.10.02.11.02.5.02.6.02.7.02.8.02.9.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-27820 is a medium vulnerability (CVSS 4.0) in Owasp Zed Attack Proxy, published March 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. No source names a fixed version.
References
openwall.com/lists/oss-security/2022/03/23/1
github.com/zaproxy/zaproxy/releases
nvd.nist.gov/vuln/detail/CVE-2022-27820