CVE-2022-27782 (GCVE-0-2022-27782)
Vulnerability from cvelistv5 – Published: 2022-06-01 00:00 – Updated: 2026-05-27 13:33
VLAI
EPSS
VEX
Summary
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-16 13:54 UTC
CWE
- CWE-840 - Business Logic Errors (CWE-840)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/1555796 | |
| https://security.netapp.com/advisory/ntap-2022060… | |
| https://www.debian.org/security/2022/dsa-5197 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| https://security.gentoo.org/glsa/202212-01 | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2023/03/20/6 | mailing-list |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | https://github.com/curl/curl |
Affected:
Fixed in 7.83.1
|
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"url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202212-01"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20220609-0009/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2022/dsa-5197"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/1555796"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-840"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-29T22:48:47+00:00",
"cve": "CVE-2022-27782",
"id": "CVE-2022-27782",
"initial_release_date": "2022-05-11T00:00:00+00:00",
"product_status:fixed": "119",
"product_status:known_affected": "16",
"product_status:known_not_affected": "4",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "curl: TLS and SSH connection too eager reuse",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-27782.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-02T02:11:56Z",
"cve": "CVE-2022-27782",
"id": "CVE-2022-27782",
"initial_release_date": "2023-02-15T03:26:44Z",
"product_status:known_affected": "263",
"product_status:known_not_affected": "32",
"product_status:recommended": "465",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-27782",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-27782.json",
"version": "52"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T05:32:59.911Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://hackerone.com/reports/1555796"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20220609-0009/"
},
{
"name": "DSA-5197",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5197"
},
{
"name": "[debian-lts-announce] 20220828 [SECURITY] [DLA 3085-1] curl security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html"
},
{
"name": "GLSA-202212-01",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202212-01"
},
{
"name": "[oss-security] 20230320 [SECURITY ADVISORY] curl: CVE-2023-27538: SSH connection too eager reuse still",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2023/03/20/6"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2022-27782",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-16T13:54:53.341982Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-16T13:54:22.749Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://hackerone.com/reports/1555796"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "https://github.com/curl/curl",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Fixed in 7.83.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-840",
"description": "Business Logic Errors (CWE-840)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-03-20T00:00:00.000Z",
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone"
},
"references": [
{
"url": "https://hackerone.com/reports/1555796"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220609-0009/"
},
{
"name": "DSA-5197",
"tags": [
"vendor-advisory"
],
"url": "https://www.debian.org/security/2022/dsa-5197"
},
{
"name": "[debian-lts-announce] 20220828 [SECURITY] [DLA 3085-1] curl security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html"
},
{
"name": "GLSA-202212-01",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202212-01"
},
{
"name": "[oss-security] 20230320 [SECURITY ADVISORY] curl: CVE-2023-27538: SSH connection too eager reuse still",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2023/03/20/6"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2022-27782",
"datePublished": "2022-06-01T00:00:00.000Z",
"dateReserved": "2022-03-23T00:00:00.000Z",
"dateUpdated": "2026-05-27T13:33:52.720Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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