9.1

CVE-2018-21245: apsis pound

Modified
AliasesUBUNTU-CVE-2018-21245DEBIAN-CVE-2018-21245
Published 15-06-2020Last modified 05-08-2024

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.

Priority
Prioritisesevere

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?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 15-06-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Apsis1 product
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