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.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.04%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 11-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
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 score2.04%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo 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