CVE-2018-21245: apsis pound
Vulnerability summary
CVE-2018-21245 is a critical (CVSS 9.1) vulnerability in apsis pound. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities.
Severe, CVSS 9.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 15-06-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Pound before 2.8 allows HTTP request smuggling, a related issue to CVE-2016-10711.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
1.13%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.13% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Apsis1 product
- pound< 2.8
Debian1 product
- pound< 2.8-2
Ubuntu1 product
- poundAll versions (No fix recorded) | < 2.6-6.1ubuntu0.1
3 vendors · 3 products
References
6 links- admin.hostpoint.ch/pipermail/pound_apsis.ch/2018-May/000054.htmlX Refsource MISCThird Party AdvisoryREPORT
- bugs.gentoo.org/714084X Refsource MISC