CVE-2021-20179
HIGHCVSS 8.1/10EPSS 1.19%
Last modified
CVE-2021-20179 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. EPSS estimates a 1.19% chance of exploitation in the next 30 days.
Description
A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. The highest threat from this vulnerability is to data confidentiality and integrity.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dogtagpki | Dogtagpki | < 10.5.0 |
| Dogtagpki | Dogtagpki | >= 10.5.1, < 10.8.0 |
| Dogtagpki | Dogtagpki | >= 10.8.1, < 10.9.0 |
| Dogtagpki | Dogtagpki | >= 10.9.1, < 10.10.0 |
| Dogtagpki | Dogtagpki | >= 10.10.1, < 10.11.0 |
| Redhat | Certificate System | 10.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1914379Issue Tracking, Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3474Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3475Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3476Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3477Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3478Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1914379Issue Tracking, Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3474Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3475Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3476Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3477Patch, Third Party Advisory
- https://github.com/dogtagpki/pki/pull/3478Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20179?
A flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and over again, as long as it is not explicitly revoked. The highest threat from this vulnerability is to data confidentiality and integrity.
How severe is CVE-2021-20179?
CVE-2021-20179 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20179?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-20179?
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