6.8
MEDIUM
CVE-2021-28508
Arista EOS TerminAttr IPsec Data Leak
Description

This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffic to be decrypted or modified by other authorized users on the device.

INFO

Published Date :

May 26, 2022, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:59 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2021-28508 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Arista eos
2 Arista terminattr
3 Arista dcs-7050cx3-32s-r
4 Arista 7280r2
5 Arista 7280r3
6 Arista 7500r2
7 Arista 7500r3
8 Arista 7050cx3-32s
9 Arista 7050cx3m-32s
10 Arista 7050sx3-48c8
11 Arista 7050sx3-48yc
12 Arista 7050sx3-48yc12
13 Arista 7050sx3-48yc8
14 Arista 7050sx3-96yc8
15 Arista 7050tx3-48c8
16 Arista 7280cr2ak-30
17 Arista 7280cr2k-60
18 Arista 7280cr3-32d4
19 Arista 7280cr3-32p4
20 Arista 7280cr3-96
21 Arista 7280cr3k-32d4
22 Arista 7280cr3k-32p4
23 Arista 7280cr3k-96
24 Arista 7280dr3-24
25 Arista 7280dr3k-24
26 Arista 7280pr3-24
27 Arista 7280pr3k-24
28 Arista 7280sr3-48yc8
29 Arista 7280sr3k-48yc8
30 Arista 7500r3-24d
31 Arista 7500r3-24p
32 Arista 7500r3-36cq
33 Arista 7500r3k-36cq
34 Arista 7800r3-36p
35 Arista 7800r3-48cq
36 Arista 7800r3k-48cq
37 Arista ccs-722xpm-48y4
38 Arista ccs-722xpm-48zy8
39 Arista dcs-7050cx3-32s
40 Arista dcs-7050cx3m-32s
41 Arista dcs-7050sx3-48c8
42 Arista dcs-7050sx3-48yc12
43 Arista dcs-7050sx3-48yc8
44 Arista dcs-7050sx3-96yc8
45 Arista 7388x5
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-28508.

URL Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077 Exploit Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077 Exploit Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-28508 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-28508 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 09, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:H/Au:S/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
    Changed Reference Type https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077 No Types Assigned https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077 Exploit, Vendor Advisory
    Added CWE NIST CWE-319
    Added CPE Configuration AND OR *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.11 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.16.8 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.19.0 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (including) 4.23.11 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.6 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.27 up to (excluding) 4.27.2 OR cpe:2.3:h:arista:ccs-722xpm-48y4:-:*:*:*:*:*:*:* cpe:2.3:h:arista:ccs-722xpm-48zy8:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.11 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.16.8 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.19.0 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (including) 4.23.11 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.6 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.27 up to (excluding) 4.27.2 OR cpe:2.3:h:arista:7050cx3-32s:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050cx3m-32s:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050sx3-48c8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050sx3-48yc:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050sx3-48yc12:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050sx3-48yc8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050sx3-96yc8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7050tx3-48c8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050cx3-32s:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050cx3-32s-r:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050cx3m-32s:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050sx3-48c8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050sx3-48yc12:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050sx3-48yc8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:dcs-7050sx3-96yc8:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.11 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.16.8 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.19.0 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (including) 4.23.11 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.6 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.27 up to (excluding) 4.27.2 OR cpe:2.3:h:arista:7280cr2ak-30:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr2k-60:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr3-32d4:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr3-32p4:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr3-96:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr3k-32d4:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr3k-32p4:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280cr3k-96:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280dr3-24:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280dr3k-24:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280pr3-24:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280pr3k-24:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280r2:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280r3:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280sr3-48yc8:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7280sr3k-48yc8:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.11 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.16.8 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.19.0 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (including) 4.23.11 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.6 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.27 up to (excluding) 4.27.2 OR cpe:2.3:h:arista:7500r2:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r3:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r3-24d:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r3-24p:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r3-36cq:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7500r3k-36cq:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.11 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.16.8 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.19.0 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (including) 4.23.11 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.6 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.27 up to (excluding) 4.27.2 OR cpe:2.3:h:arista:7800r3-36p:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7800r3-48cq:-:*:*:*:*:*:*:* cpe:2.3:h:arista:7800r3k-48cq:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.11 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.16.8 *cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.19.0 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (including) 4.23.11 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.6 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.27 up to (excluding) 4.27.2 OR cpe:2.3:h:arista:7388x5:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-28508 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.01%

score

0.30907

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability