CVE-2022-27820
Improper Certificate Validation in OWASP ZAP
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 53rd percentile. No source names a fixed version.
- Severity
- 4.0 MediumCVSS 3.1, NVD
- Exploit chance
- 0.68%EPSS, 53rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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
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 |
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 ListNo 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-2022-1452No 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
OSVNo 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
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.
References
openwall.com/lists/oss-security/2022/03/23/1
github.com/zaproxy/zaproxy/releases
nvd.nist.gov/vuln/detail/CVE-2022-27820