7.5

CVE-2020-17508: apache traffic_server

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-17508DEBIAN-CVE-2020-17508
Published 11-01-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-17508 is a high (CVSS 7.5) vulnerability in apache traffic_server. EPSS estimates a 2.04% chance of exploitation in the next 30 days, higher than 80.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.04%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 11-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The ATS ESI plugin has a memory disclosure vulnerability. If you are running the plugin please upgrade. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.04%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.03 pp

From 2.02% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Apache1 product
  • traffic_server≥ 6.0.0, ≤ 6.2.3 | ≥ 7.0.0, ≤ 7.1.11 | ≥ 8.0.0, ≤ 8.1.0
Debian1 product
  • trafficserver< 8.1.1+ds-1
Ubuntu1 product
  • trafficserverAll versions (No fix recorded)

3 vendors · 3 products

References

6 links