CVE-2023-40711
High PUBLISHEDVeilid before 0.1.9 does not check the size of uncompressed data during decompression upon an envelope receipt, which allows remote attackers to...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Veilid before 0.1.9 does not check the size of uncompressed data during decompression upon an envelope receipt, which allows remote attackers to cause a denial of service (out-of-memory abort) via crafted packet data, as exploited in the wild in August 2023.
- CVE Published
- Aug 20, 2023
- Exploitation Reported
- Aug 20, 2023
- CVSS
- 7.5 High
- EPSS
- 0.7%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- gitlab.com/veilid/veilid/-/blob/main/CHANGELOG.md gitlab.com · CVE Record https://gitlab.com/veilid/veilid/-/blob/main/CHANGELOG.md
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2023-08-20 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitation Status
Exploited in the wild
Recorded 2023-08-20 00:00:00 UTC · CVE
Weaknesses (CWE)
-
Out-of-bounds Write
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC almost 3 years ago00:00 UTC · almost 3 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:00 UTC almost 3 years ago00:00 UTC · almost 3 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 3 years ago00:00 UTC · almost 3 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-40711
{
"cve_id": "CVE-2023-40711",
"title": "Veilid before 0.1.9 does not check the size of uncompressed data during decom...",
"affected_vendor": "Veilid",
"affected_product": "Veilid",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.5,
"epss_score": 0.00741,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}