Search for vulnerabilities
| Vulnerability ID | VCID-v9gg-nxfy-wuh7 |
| Aliases |
CVE-2020-8991
|
| Summary | vg_lookup in daemons/lvmetad/lvmetad-core.c in LVM2 2.02 mismanages memory, leading to an lvmetad memory leak, as demonstrated by running pvs. NOTE: RedHat disputes CVE-2020-8991 as not being a vulnerability since there’s no apparent route to either privilege escalation or to denial of service through the bug |
| Status | Disputed |
| Exploitability | 0.5 |
| Weighted Severity | 2.1 |
| Risk | 1.1 |
| Affected and Fixed Packages | Package Details |
| Reference id | Reference type | URL |
|---|---|---|
| https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-8991.json | ||
| https://api.first.org/data/v1/epss?cve=CVE-2020-8991 | ||
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8991 | ||
| https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml | ||
| 1805922 | https://bugzilla.redhat.com/show_bug.cgi?id=1805922 | |
| cpe:2.3:a:redhat:lvm2:2.02.00:*:*:*:*:*:*:* | https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:lvm2:2.02.00:*:*:*:*:*:*:* | |
| CVE-2020-8991 | https://nvd.nist.gov/vuln/detail/CVE-2020-8991 | |
| ?p=lvm2.git%3Ba=commit%3Bh=bcf9556b8fcd16ad8997f80cc92785f295c66701 | https://sourceware.org/git/?p=lvm2.git%3Ba=commit%3Bh=bcf9556b8fcd16ad8997f80cc92785f295c66701 |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Exploitability (E) | Access Vector (AV) | Access Complexity (AC) | Authentication (Au) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|
high functional unproven proof_of_concept not_defined |
local adjacent_network network |
high medium low |
multiple single none |
none partial complete |
none partial complete |
none partial complete |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.37114 |
| EPSS Score | 0.00156 |
| Published At | July 30, 2025, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2025-07-31T16:37:35.390783+00:00 | NVD CVE Status Improver | Improve | https://cveawg.mitre.org/api/cve/CVE-2020-8991 | 37.0.0 |
| 2025-07-31T09:44:20.851536+00:00 | Vulnrichment | Import | https://github.com/cisagov/vulnrichment/blob/develop/2020/8xxx/CVE-2020-8991.json | 37.0.0 |