Security readout for executives and security teams
CVE-2020-24606 is a denial-of-service flaw in Squid proxy/cache deployments. A trusted cache peer can send a crafted Cache Digest response that makes vulnerable Squid versions consume CPU indefinitely. Business impact is service disruption, not data theft, and exposure appears limited to deployments using cache_peer with cache digests enabled. Most likely exposed systems are Squid installations configured in cache hierarchies with trusted peers and cache digests. Standard standalone Squid proxy deployments without cache_peer plus cache digests are not described as affected by the provided sources. Prioritize quickly where Squid supports business-critical proxying or cache hierarchy functions. Treat as lower urgency only after confirming the vulnerable feature combination is absent. Mitigation focus: Upgrade Squid to 4.13, 5.0.4, or a vendor-fixed package.; Apply Debian, Ubuntu, Fedora, openSUSE, or appliance vendor security updates where relevant.; Review whether cache digests are required for configured cache_peer relationships..
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
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CVE-2020-24606 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:C/UI:N
CNA and ADP enrichment extracted from CVE v5
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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/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:C/UI:N3.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.6HighVector: CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jgCVE reference · x_refsource_MISC
- DSA-4751CVE reference · vendor-advisory, x_refsource_DEBIAN
- USN-4477-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- FEDORA-2020-73af8655ebCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-63f3bd656eCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-6c58bff862CVE reference · vendor-advisory, x_refsource_FEDORA
- USN-4551-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20201002 [SECURITY] [DLA 2394-1] squid3 security updateCVE reference · mailing-list, x_refsource_MLIST
- https://security.netapp.com/advisory/ntap-20210219-0007/CVE reference · x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20210226-0007/CVE reference · x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20210226-0006/CVE reference · x_refsource_CONFIRM
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.