CVE-2023-45727
Confirmed PUBLISHEDProself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker.
- CVE Published
- Oct 18, 2023
- Exploitation Reported
- Dec 03, 2024
- CVSS
- 7.5 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| northgrid |
proself
|
0 to <= 5.62 |
Affected |
| northgrid |
proself
|
0 to <= 1.65 |
Affected |
| northgrid |
proself
|
0 to <= 5.62 |
Affected |
| northgrid |
proself
|
0 to <= 1.08 |
Affected |
| North Grid Corporation |
Proself Enterprise/Standard Edition
|
Ver5.62 and earlier |
Affected |
| North Grid Corporation |
Proself Gateway Edition
|
Ver1.65 and earlier |
Affected |
| North Grid Corporation |
Proself Mail Sanitize Edition
|
Ver1.08 and earlier |
Affected |
CVE References
- proself.jp/information/153 proself.jp · CVE Record https://www.proself.jp/information/153/
- jvn.jp/en/jp/JVN95981460 jvn.jp · CVE Record https://jvn.jp/en/jp/JVN95981460/
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
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 |
|---|---|
| CISA First | 2024-12-03 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:H/I:N/A:N
Exploitation Status
Exploited in the wild
Recorded 2024-12-03 00:00:00 UTC · CISA
Weaknesses (CWE)
-
Improper Restriction of XML External Entity Reference
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
09:01 UTC almost 3 years ago09:01 UTC · almost 3 years ago
CVE published
Vulnerability disclosed publicly
-
07:32 UTC almost 3 years ago07:32 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-2023-45727
{
"cve_id": "CVE-2023-45727",
"title": "Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edit...",
"affected_vendor": "North Grid Corporation",
"affected_product": "Proself Enterprise/Standard Edition, Proself Gateway Edition, Proself Mail Sanitize Edition",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 7.5,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}