How severe is CVE-2018-20999?

CVE-2018-20999 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-20999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20999?

CVE-2018-20999 affects Orion Project Orion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20999?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-20999 published?

CVE-2018-20999 was published on 2019-08-26 and last updated on 2026-06-17.

CVE-2018-20999

CVE-2018-20999 is a high-severity vulnerability in Orion Project Orion with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-682.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-682
Affected product: Orion Project Orion
Published: 2019-08-26
Last modified: 2026-06-17

Description

An issue was discovered in the orion crate before 0.11.2 for Rust. reset() calls cause incorrect results.

Frequently asked questions

What is CVE-2018-20999?: An issue was discovered in the orion crate before 0.11.2 for Rust. reset() calls cause incorrect results.
How severe is CVE-2018-20999?: CVE-2018-20999 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-20999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20999?: CVE-2018-20999 affects Orion Project Orion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-20999 published?: CVE-2018-20999 was published on 2019-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:orion_project:orion:*:*:*:*:*:*:*:*

Other CWE-682 vulnerabilities

CVE-2023-2163 — Critical (CVSS 10.0): Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe,…
CVE-2026-1229 — Critical (CVSS 9.8): The CombinedMult function in the CIRCL ecc/p384 package (secp384r1 curve) produces an incorrect value for specific…
CVE-2024-36736 — Critical (CVSS 9.8): An issue in the oneflow.permute component of OneFlow-Inc. Oneflow v0.9.1 causes an incorrect calculation when the same…
CVE-2022-30600 — Critical (CVSS 9.8): A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout…
CVE-2021-44847 — Critical (CVSS 9.8): A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through…
CVE-2020-0221 — Critical (CVSS 9.8): Airbrush FW's scratch memory allocator is susceptible to numeric overflow. When the overflow occurs, the next…

Browse all CWE-682 vulnerabilities →