CVE-2020-8827
Improper Restriction of Excessive Authentication Attempts in Argo API
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
- Record
CVE-2020-8827- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
CVE List No score
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
- Record
CVE-2020-8827- Updated
- 2026-11-02
EUVDEUVD-2021-1501 No score
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
- Record
EUVD-2021-1501- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xcqr-9h24-vrgw
7.5
Improper Restriction of Excessive Authentication Attempts in Argo API
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
Specific Go Packages Affected
github.com/argoproj/argo-cd/util/cache
- Record
GHSA-xcqr-9h24-vrgw- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
OSV
7.5
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
- Record
CVE-2020-8827- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-xcqr-9h24-vrgw
7.5
Improper Restriction of Excessive Authentication Attempts in Argo API
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
Specific Go Packages Affected
github.com/argoproj/argo-cd/util/cache
- Record
GHSA-xcqr-9h24-vrgw- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
OSVBIT-argo-cd-2020-8827 No score
As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.
- Record
BIT-argo-cd-2020-8827- Updated
- 2026-11-02
OSVGO-2022-0892 No score
Improper Restriction of Excessive Authentication Attempts in Argo API in github.com/argoproj/argo-cd
Improper Restriction of Excessive Authentication Attempts in Argo API in github.com/argoproj/argo-cd
- Record
GO-2022-0892- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/argoproj/argo-cdGo |
before 1.5.1 | 1.5.1 |
argo-cdBitnami |
before 1.5.0 | 1.5.0 |
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-2020-8827 is a high vulnerability (CVSS 7.5) in Argoproj Argo Cd, published April 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.21%, the 82nd percentile. Fixed in github.com/argoproj/argo-cd 1.5.1.
References
github.com/argoproj/argo/releases
soluble.ai/blog/argo-cves-2020
argoproj.github.io/argo-cd/security_considerations
argoproj.github.io/argo-cd/operator-manual/user-management
nvd.nist.gov/vuln/detail/CVE-2020-8827
github.com/argoproj/argo-cd/pull/3369
github.com/argoproj/argo-cd/pull/3404
github.com/argoproj/argo-cd/commit/35a7350b7444bcaf53ee0bb11b9d8e3ae4b717a1
github.com/advisories/GHSA-xcqr-9h24-vrgw