Security readout for executives and security teams
Plain-English summary
curl could accidentally reuse the wrong existing network connection when IPv6 zone identifiers differed. In affected versions, that could expose data to the wrong connection context. The issue is confidentiality-only in the supplied CVSS vector, but the potential information disclosure makes it business-relevant wherever curl or libcurl handles sensitive traffic.
Executive priority
Treat this as a high-priority dependency remediation, especially for internet-facing or sensitive-data systems. It is not described as actively exploited in the supplied sources, but the high confidentiality impact and broad curl usage justify timely patch verification.
Technical view
CVE-2022-27775 affects curl 7.65.0 through 7.82.0. The connection pool could match an IPv6 address while failing to distinguish a different zone ID, causing unintended connection reuse. The supplied classification is CWE-200 with CVSS 3.1 score 7.5, network attack vector, no privileges or user interaction required, and high confidentiality impact.
Likely exposure
Exposure is likely where curl or libcurl 7.65.0-7.82.0 is used directly or embedded in products. Debian, Gentoo, and NetApp advisories show downstream impact. Highest concern is software using IPv6 scoped addresses with connection reuse while handling sensitive data.
Exploitation context
The provided bundle does not show CISA KEV listing or active exploitation. The issue is remotely triggerable under the CVSS vector, but practical exposure depends on IPv6 zone-ID use and connection-pool behavior. No exploit details are needed to validate risk.
Researcher notes
Key uncertainty is exploitability in a specific environment: the bug depends on IPv6 zone IDs and connection reuse. Focus validation on real curl/libcurl versions, downstream vendor patches, and applications that may reuse connections across scoped IPv6 targets.
Mitigation direction
- Inventory curl and libcurl versions across servers, containers, appliances, and bundled applications.
- Apply vendor updates from Debian, Gentoo, NetApp, or the relevant product supplier.
- Move self-managed curl builds off versions 7.65.0 through 7.82.0.
- Prioritize systems handling credentials, tokens, customer data, or internal service traffic.
- Check vendor guidance if a product embeds curl but hides the library version.
Validation and detection
- Confirm installed curl or libcurl versions are not in the vulnerable range.
- Review package changelogs or advisories for CVE-2022-27775 remediation.
- Identify applications using IPv6 scoped addresses and pooled/reused curl connections.
- Verify container images and appliance firmware include vendor-fixed curl packages.
- Document exceptions where embedded curl versions cannot be directly confirmed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-27775 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://hackerone.com/reports/1546268CVE reference, hackerone
- https://security.netapp.com/advisory/ntap-20220609-0008/CVE reference, hackerone
- DSA-5197CVE reference, hackerone · vendor-advisory
- GLSA-202212-01CVE reference, hackerone · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.